000			00315nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c480
040			_aET
100			_aMangal, S.K.
245		0	_aPedagogy of Mathematics
260			_bTondon Pub. _aLudhiana
300			_a518
500			_a58147
942			_cBK
999			_c64110 _d64110