000 00281cam a2200121ua 4500
082 _a540.246
_bAHA/EN
100 _aAhad, Juhaina .
_9349
245 _aEngineering Chemistry /
250 _a11
260 _aKollam :
_bJai Publications ,
_c2009
300 _a17.11
942 _cBK
999 _c267007
_d267007