Dr. S. R. Ranganathan Online Lecture Series http://idr.aus.ac.in/jspui/handle/21011994/351 2026-06-14T11:09:57Z 2026-06-14T11:09:57Z One Week Dr. S. R. Ranganathan Online Lecture Series http://idr.aus.ac.in/jspui/handle/21011994/352 2020-11-09T08:56:53Z 2020-01-01T00:00:00Z One Week Dr. S. R. Ranganathan Online Lecture Series 2020-01-01T00:00:00Z