00558nam a22001817a 4500 BD-DhUL 20160612091056.0 160612s1955 xxuf|||| |||| 001 0 eng d BD-DhUL BD-DhUL 371.3 GAI Garrison, Noble Lee The improvement of teaching : a two-fold approach / Noble Lee Garrison New York : Dryden, 1955. x, 461 p. ; 30 cm. Includes bibliographical references and index. Education Experimental methods ddc BK 77912 77912 0 0 ddc 0 371_300000000000000_GAI 0 NFIC 131659 DUL DUL GEN 2016-06-12 Purchased 371.3 GAI A18266 2016-06-12 2016-06-12 BK