000 00410cam a2200181ua 4500
001 18848
008 190425n2012 II |||gr||||Z||||||asm
040 _aMAIN
041 _aEnglish
082 _a363.7 AHS
100 _aAHSEC.
245 _aPARIBESH SIKHYA (For Class--XI)
250 _a1st.
260 _aGUWAHATI
_bAHSEC
_c2012
300 _a102:
_c20CM.
653 _aEnvironmental Science
942 _cBK
999 _c18721
_d18721