000 00339nam a2200145Ia 4500
008 221121s9999 xx 000 0 und d
041 _aENGLISH
082 _bALA
100 _aALAM,S
245 0 _aVARIABLE & CONSTANT : ACTIVITY ORIENTED LEARNING
260 _bAPH PUBLICATION
300 _a136
650 _aPEDAGOGY
942 _cREF
999 _c178068
_d178068