00523nam a22001577a 4500020001800000082001700018100001700035245007100052260003300123300002000156650002600176700001700202942000700219952012400226999001500350  a9788120324428  a515.3bAHS/T  aAhsan Akhtar  aTextbook of differential calculus/ cAhsan Akhtar and Sabiha Ahsan  aDelhi:bPHI learning,c2004.  a518p. ; b25cm.  aDifferential Calculus  aSabiha Ahsan  cBK  001040708MATHEMATICSaMAINbMAINcMATHS SHELFd2023-03-24l0o515.3 AHS/Tp2102r2023-03-24 00:00:00w2023-03-24yBK  c1243d1243