000
00307nam a2200133Ia 4500
008
160316s1988 xxu||||| |||| 00| 0 eng d
020
_a
100
_a
Bhatnagar,S
245
_a
Education And Community Technology
250
_a
260
_a
NEW DELHI
_b
ESS PUBLICATION
_c
1988
300
_a
298
700
_a
_a
999
_c
4175
_d
4175