00668nam a2200205Ia 4500001000700000003000500007005001700012008004100029010002000070020001500090040001800105050002000123082001000143245008700153260007200240300002300312490004400335504004100379650004200420175639BIBL20160527185237.0770111s1978    nju      b    00100 eng    a 77023216 //r90  a0877780986  aDLCcDLCdDLC00aLB1025.2b.I64500a371.300aIntroduction to the instructional design librarycDanny G. Langdon, series editor.0 aEnglewood Cliffs, N.J.bEducational Technology Publicationscc1978.  avii, 17 p.c25 cm.0 aThe Instructional design library2Local  aIncludes bibliographies and indexes. 0aInstructional systemsxDesign.2Local