000 00314nam a22001217a 4500
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041 _aeng
080 _a159.9
100 _a48
101 _aedu
245 _aLEARNING THEORY, INSTRUCTIONAL THEORY AND PSYCHOEDUCATIONAL DESIGN
_cSNELBECKER, G.E
942 _2udc
_cBK
999 _c31219
_d31219