2018 - DEC http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/1071 Sun, 05 Apr 2026 18:12:30 GMT 2026-04-05T18:12:30Z CHEMISTRY http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/1072 CHEMISTRY Mon, 04 Sep 2023 00:00:00 GMT http://elearn.psgcas.ac.in:8080/jspui/handle/123456789/1072 2023-09-04T00:00:00Z