000			00370nam a2200145Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
082			_a371.394 _bHEW
100			_aHewage, L.G.
245			_aIntroduction to Programmed Instruction
260			_bLankasian, _c1969. _aColombo:
300			_a108p.; _c11cm
650			_aSchool Education
942			_2ddc _cSR
999			_c17746 _d17746