000 00654nam a2200193 a 4500
005 20240920064216.0
008 991125s1962 ea 000 0 eng u
035 _aUPN01000027113
049 _aCG
050 4 _aLB1050.37
_bG8.6
245 0 2 _aA guide to programed instructional materials :
_ba vailable to educators by september 1962 /
_ccomp. The Center for Programmed Instruction.
260 _aWashington :
_bThe Center for Programmed Instruction,
_c1962.
300 _a383 p. :
_bil.
440 0 _aPrograms ;
_v62
500 _a"OEA 34015"
650 4 _aEducaciĆ³n
_zEstados Unidos
_9803
650 7 _aEnseƱanza programada
_2
_92238
905 _aLibro
999 _c27113
_d27113