000 00294nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _a370.15
_bBHA
100 _aBhatnagar, A.B
245 0 _aDevelopment of Learner & Teaching Learning Process
260 _bR.Lall
300 _a520
942 _cBK
999 _c1876
_d1876