000 00324nam a2200121Ia 4500
008 220505s1991 xx 000 0 und d
041 _aeng
082 _a371.122/BOU
100 _aBourai,H.h.A.
_9641313
245 _aDynamic teaching
260 _aDelhi
_bB.R.Publishing Corporation
_c1991
650 _aSOCIAL SCIENCE
_9641314
999 _c449388
_d449388