Rathnapala, Nandasena සමාජ විද්යාවේ මූලධර්ම = samaaja vidhyaave mulaDHarma - Pannipitiya: Staford lake House, 2000. - 228p.; 20 cm. ISBN: 955-8156-42-6 Subjects--Topical Terms: Sociology Dewey Class. No.: 301 / RAT