Dlouweera, D.G.S.K. An In-depth study of student support services of the two open universities : Indira Gnadhi National Open University and The Open University of Sri Lanka / D.G.S.K. Dlouweera - New Delhi: IGNOU, 2013. - xi, 305 pages: Ph.D. - ThesisSubject: STRIDE (Distance Education) Subjects--Topical Terms: Student Support Services--Open Universities Dewey Class. No.: 378.03 D969A