000 00402nam a2200157Ia 4500
008 211115s9999 xx 000 0 und d
041 _aeng
082 _aT:(B)
_bM2
100 _aChauhan, S.S..
245 2 _aA Textbook of Programmed Instruction /
250 _a1st ed /
260 _aNew Delhi-16 :
_bSterling Publishers Pvt. Ltd..
300 _ap.192 :
650 _aInstructions
942 _cTB
999 _c1463
_d1463