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040 _aSOETPKD
041 _aEnglish
082 _a660
100 _aGUPTA, O. P.
245 _aOBJECTIVES TYPE QUESTIONS AND ANSWERS IN CHEMICAL ENGINEERING
250 _a4TH
260 _bKHANNA PUBLISHERS
_aDELHI
_c2004
500 _a1219
650 _aCHEMICAL
942 _cBK
999 _c31221
_d31221