000
00310nam a2200121Ia 4500
008
220201s2018 xx 000 0 eng d
082
_a
363.6
_b
DES-E
100
_a
DESWAL SURINDER
245
2
_a
A BASIC COURSE IN ENVIRONMENTAL STUDIES
260
_a
NEW DELHI
_b
DHANPAT RAI
_c
2018
300
_a
481
942
_2
ddc
999
_c
32655
_d
32655