00753nam a2200265 4500 3626149 20150610092649.0 000 74150700 F*** 9231010581 UOEL DLC DLC Q181 .U475 1973 507 Unesco. New Unesco source book for science teaching. Paris, Unesco, 1973. 270 p. illus., fold. col. map. 23 cm. Science Study and teaching. Science Experiments Juvenile literature. Unesco source book for science teaching. Source book for science teaching. 7 cbc orignew 4 ncip 19 y-gencatlg lcc LL 9879 9879 0 0 lcc 0 0 UOE UOE GEN 2015-06-10 0 Q181 .U475 1973 20026805 2026-04-27 11:52:30 20026805 2015-06-10 LL 0 0 lcc 0 0 UOE UOE GEN 2015-06-12 0 Q181 .U475 1973 20026803 2026-04-27 11:52:30 20026803 2015-06-12 LL