00761cam a22002411 4500 2167338 BD-DhUL 20160616100428.0 730213s1963 dcu b 000 0 eng 63009761 DLC DLC DLC BD-DhUL Q181 .V45 372.3 VEE Vessel, Matthew F. Elementary school science teaching / Matthew F. Vessel. Washington : Center for Applied Research in Education, 1963. viii, 119 p. : ill. ; 24 cm. The Library of education Includes bibliography and index. Science Study and teaching (Elementary) 7 cbc orignew u ocip 19 y-gencatlg ddc BK 78627 78627 0 0 ddc 0 372_300000000000000_VEE 0 NFIC 132632 DUL DUL GEN 1972-08-28 Gift 372.3 VEE A86027 2016-06-16 2016-06-16 BK