00861cam a2200277 a 4500 1038444 BD-DhUL 20160612160821.0 891129s1990 enka b 001 0 eng 89049775 0893973564 (U.S.) DLC DLC DLC BD-DhUL LC5800 .R68 1990 371.3 20 ROT Rowntree, Derek. Teaching through self-instruction : how to develop open learning materials / Derek Rowntree. Rev. ed. London : Kegan Paul ; New York : Nichols Pub., 1990. 389 p. : ill. ; 24 cm. Includes bibliographical references. Distance education. Self-culture. Instructional systems Design. Teaching Aids and devices. ddc BK 78111 78111 0 0 ddc 0 371_300000000000000_ROT 0 NFIC 131928 DUL DUL GEN 2016-06-12 Purchased 371.3 ROT 324349 2016-06-12 1 2016-06-12 BK