000
00251nam a2200109Ia 4500
100
_a
Tewari I. P.
942
_c
BK
245
_a
Communication, technology and development
260
_a
Division, New Delhi
_c
1987
082
_a
384 Tiv
300
_a
vii, 87
999
_c
58964
_d
58964