000 00638nam a2200205zi 4500
005 20220228104407.0
008 970106s1972 enk 000 0 eng d
035 _aMX001000141772
050 _aLB1028.5
_bH36
100 _aHartley, Harry J.,
_eautor
245 0 0 _aSttalegles for programmed instructionali and educational technology.
264 1 _aLondon :
_bButterworths,
_c1972
300 _a231 páginas
650 4 _aEnseñanza programada
650 4 _aEducación
_xInstruccion programada
336 _atexto
_2rdacontent
337 _asin medio
_2rdamedia
338 _avolumen
_2rdacarrier
999 _c3733
_d3733