000 00504nam a2200181Ia 4500
005 20250220125645.0
008 250220s9999||||xx |||||||||||||| ||und||
020 _c
_5.00
040 _aMAIN
041 _aEnglish
082 _a371.3
_bPRO
245 _aProgramed Instruction
_bthe sixty-sixth yearbook of the national society for the study of education
260 _aChicago
_bNSSE
_c1967
300 _axii,334p. &cxiii
_bP.2
650 _aEducation
650 _aMethod of instructions
942 _cBK
999 _c37117
_d37117