000			00487nam a2200205Ia 4500
005			20250220125646.0
008			250220s9999||||xx |||||||||||||| ||und||
020			_c90
040			_aMAIN
041			_aEnglish
082			_a370.1523 _bLEE
100			_aLeedham, John and Unwin, Derick
245			_aProgrammed learning in the schools
250			_a2nd ed.
260			_aLondon _bLongman _c1971
300			_axv,140p.
650			_aEducation
650			_aLearning
942			_cBK
999			_c37154 _d37154