"davis, robert h. "
Learning system design: an approach to the improvement of instruction/ Robert.H. Davis - 1 ed. - usa : mcgraw-hill book co 1974. - "ix, 342p.; 24 cm."
0-07-074334-7 hard cover
lesson planning
LB1027 / .D32 1974
Learning system design: an approach to the improvement of instruction/ Robert.H. Davis - 1 ed. - usa : mcgraw-hill book co 1974. - "ix, 342p.; 24 cm."
0-07-074334-7 hard cover
lesson planning
LB1027 / .D32 1974