00427nam a2200157Ia 4500 20250519010227.0 240331s9999 xx 000 0 und d 300.3 SAM Deparment of Education Samaja viddyawa saha manawa vddyawa : glossary of technical terms Colombo Education Press 1993 154 p ., Sociology Anthropology L 0 0 0 0 L WERCL WERCL SSC 2024-03-31 0 300.3 SAM 2840 2024-03-31 2024-03-31 L 988 988