Gomez, Thelma J. ed. Simpson, Elizabeth Pyle ed. text nyu New York MSS Educational Pub. Co. [1971] 1971 monographic eng

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146 p. illus. 23 cm. Edited by Thelma J. Gomez and Elizabeth Simpson. Illustrated by Nancy Heitzeberg and James Heitzeberg, Jr. Project method in teaching Classroom learning centers LB1027 .I64 371.36 75029004 //r85 711022 20160527194231.0 20773