000
00268nam a22000977a 4500
020
_a
8171415482
020
_a
978-8171415489
245
_a
INTERNATIONAL ENCYCLOPAEDIS OF SCIENCE AND TECHNOLOGY EDUCATION
260
_a
India
_b
Discovery Publishing Pvt.Ltd
_c
2011
942
_c
BK
999
_c
4707
_d
4707