00810pam a2200253 i 4500 831625 BD-DhUL 20160622150244.0 780505s1979 nyua b 001 0 eng 77017715 0582280400 BD-DhUL BD-DhUL LB1028.3 .S57 371.3078 SLI Sleeman, Phillip J. Instructional media and technology : a guide to accountable learning systems / Phillip J. Sleeman, Ted C. Cobun, D. M. Rockwell. New York : Longman, c1979. viii, 374 p. : ill. ; 24 cm. Includes bibliographies and index. Educational technology. Cobun, Ted C., joint author. Rockwell, D. M., joint author. ddc BK 79936 79936 0 0 ddc 0 371_307800000000000_SLI 0 NFIC 134636 DUL DUL GEN 2016-06-22 purchased 371.3078 SLI 305062 2016-06-22 2016-06-22 BK