SRI LANKA Sri Lanka, official language department Technical terms in social sciences(Tamil-English)=கலைச்சொற்றொகுதி சமூக விஞ்ஞானம் /Sri Lanka, official language department - Colombo Official language department 1961 - 306 p. Text in English and Tamil ISBN: 141939 Subjects--Topical Terms: Social science-Glossaries Dewey Class. No.: 300.3 / SOC