Library, University of Sri Jayewardenepura, Sri Lanka : Search for 'pb:Dayarathne Koralage and au:Koralage, Dayarathne'

මානව සම්පත් කළමනාකරණය සඳහා කම්කරු නීතිය 1

By Koralage, Dayarathne. Ambalangoda Dayarathne Koralage 2001 . 148 p. , Text in sinhala 21 cm.. 9789559708919

By Koralage, Dayarathne. Ambalangoda Dayarathne Koralage 2001 . 203 p. , Text in sinhala 21 cm.. 9789559708919