OUSL Journal Volume 13 Issue1 (2018) http://repository.ou.ac.lk/handle/94ousl/1895 Mon, 14 Sep 2026 11:05:07 GMT 2026-09-14T11:05:07Z Analysis of the Problems of and the Suitable Solutions for an Initial Teacher Training Programme Conducted through the Distance Mode http://repository.ou.ac.lk/handle/94ousl/1917 Analysis of the Problems of and the Suitable Solutions for an Initial Teacher Training Programme Conducted through the Distance Mode Lekamge, Galappaththige Dayalatha; Irugalbandara, Ayomi Indika; Fernando, Meregngnage Nadeesh Chandana Mon, 01 Jan 2018 00:00:00 GMT http://repository.ou.ac.lk/handle/94ousl/1917 2018-01-01T00:00:00Z Quantification of Pesticide Residues in Selected Vegetables using the QuEChERS Method http://repository.ou.ac.lk/handle/94ousl/1916 Quantification of Pesticide Residues in Selected Vegetables using the QuEChERS Method Rajapakse, Meragal Kulathilakage Lasanthi Kumari; Lakshani, Pulippu Widana Yoshida Mon, 01 Jan 2018 00:00:00 GMT http://repository.ou.ac.lk/handle/94ousl/1916 2018-01-01T00:00:00Z Editorial http://repository.ou.ac.lk/handle/94ousl/1915 Editorial The Open University of Sri Lanka Mon, 01 Jan 2018 00:00:00 GMT http://repository.ou.ac.lk/handle/94ousl/1915 2018-01-01T00:00:00Z Estimation of Radioactivity and Associated Radiological Hazards of Cement Used in Sri Lanka http://repository.ou.ac.lk/handle/94ousl/1914 Estimation of Radioactivity and Associated Radiological Hazards of Cement Used in Sri Lanka Abeydeera, Deepa Ranjanie; Hewamanna, Rohini; Dias, Mahendra Prinath; Mahawatta, Palee Mon, 01 Jan 2018 00:00:00 GMT http://repository.ou.ac.lk/handle/94ousl/1914 2018-01-01T00:00:00Z