00710nam a2200181Ia 4500 190328s9999||||xx |||||||||||||| ||und|| 92-3-101374-2 NITIL NITIL 21st 373.236095493 A832I Ranaweera,A M Asian Centre of Educational Innovation for Development Integrated science in the junior secondary school in Sri Lanka A M Ranaweera Paris UNESCO Press 1976 31p. Experiments and innovation in education:an Internatinal Bureau of education series; no. 27 Education,secondary-Sri Lanka; Science-Study and teaching-Sri Lanka; Education-Curricula-Sri Lanka BKS 35735 35735 0 0 DDC 0 0 NITIL NITIL 2019-04-03 0 373.236095493 A832I 107085 2019-04-03 00:00:00 2019-04-03 BKS