2024-03-29T14:59:37Z
https://journals.us.edu.pl/index.php/PR/oai
oai:ojs.www.journals.us.edu.pl:article/3494
2015-08-20T14:30:40Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3508
2015-08-20T16:45:28Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3534
2015-08-20T19:57:44Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3565
2015-08-21T12:15:56Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3575
2015-08-21T12:58:14Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3605
2015-08-21T16:45:07Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3641
2015-08-22T11:29:10Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3667
2015-08-25T18:36:36Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3678
2015-08-23T10:44:45Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3689
2015-08-23T11:26:20Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3690
2015-08-23T11:26:20Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3698
2015-08-23T16:25:09Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3765
2020-03-22T15:49:32Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3766
2015-08-25T18:02:46Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3767
2015-08-25T18:02:46Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3768
2015-08-25T18:02:46Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3771
2020-03-22T15:55:20Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3776
2020-03-22T16:17:27Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3777
2020-03-22T17:09:43Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3778
2015-08-27T16:58:00Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3780
2016-04-24T10:53:35Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3781
2016-04-24T10:53:35Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3783
2015-10-02T18:19:17Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3784
2015-10-02T18:21:30Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3811
2016-04-24T10:53:35Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3824
2015-09-23T18:30:29Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3825
2015-09-23T18:30:29Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3838
2020-03-22T17:19:32Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3839
2015-08-28T13:20:10Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3840
2015-08-28T13:20:10Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3841
2015-08-28T13:20:10Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3853
2015-08-31T10:47:18Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3854
2015-08-31T10:47:18Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3855
2015-08-31T10:47:18Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3856
2015-08-31T10:47:18Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3869
2015-09-01T16:07:05Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3870
2015-09-01T16:07:05Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3871
2015-09-01T16:07:05Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3901
2015-09-02T18:07:12Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3902
2015-09-02T18:07:12Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3903
2015-09-02T18:07:12Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3914
2015-09-03T20:11:42Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3915
2015-09-03T20:11:42Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/3916
2015-09-03T20:11:42Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/4605
2020-03-21T10:30:57Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/4606
2016-04-24T11:36:23Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/4641
2016-04-24T20:04:53Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/4644
2017-04-14T20:50:48Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/4778
2016-10-16T16:28:40Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/4779
2020-03-21T09:53:22Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/4941
2017-04-14T20:50:48Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/5043
2017-10-18T10:41:04Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/5498
2017-04-14T21:55:59Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/5499
2017-04-14T21:55:59Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/5547
2017-04-15T04:56:15Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/5590
2017-10-18T10:41:04Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/5593
2017-10-18T10:41:04Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/6151
2018-09-21T12:30:25Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/6267
2017-11-30T15:35:41Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/6414
2019-01-10T17:47:14Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/6505
2018-10-28T11:53:16Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/6917
2018-10-28T11:53:16Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/6983
2018-09-21T12:30:25Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/7132
2018-10-29T09:57:23Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/7329
2019-07-02T12:39:20Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/7330
2019-07-02T12:39:20Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/7513
2021-07-12T22:44:23Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/7569
2019-07-02T12:39:20Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/7575
2021-07-12T22:44:04Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/7735
2021-07-12T22:44:21Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/7811
2021-07-12T22:43:44Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/8080
2021-07-12T22:43:22Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/8604
2020-03-21T09:52:04Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/8605
2020-03-21T10:30:03Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/8630
2020-03-22T15:48:15Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/8631
2020-03-22T15:54:19Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/8632
2020-03-22T16:16:31Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/8633
2020-03-22T17:08:52Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/8635
2020-03-22T17:18:43Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/9048
2021-07-12T22:42:08Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/9080
2021-07-12T22:42:34Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/9317
2021-10-12T18:48:38Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/9797
2021-07-12T22:42:09Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/10052
2021-10-12T18:48:37Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/11767
2022-04-25T16:32:59Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/12098
2021-12-20T17:55:34Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/12316
2021-12-20T17:55:34Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/12552
2022-04-25T16:32:59Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/12578
2022-04-25T16:32:59Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/13196
2022-05-30T16:40:28Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/13277
2023-01-16T08:10:41Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/13910
2023-01-16T08:09:20Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/14094
2022-11-07T14:10:47Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/14840
2023-06-19T12:28:26Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/14861
2023-03-05T17:22:37Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/14931
2023-03-05T17:22:37Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/15296
2023-03-05T17:22:37Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/15522
2023-09-19T16:32:16Z
PR:REC
oai:ojs.www.journals.us.edu.pl:article/15569
2023-09-19T16:32:16Z
PR:REC