000 00285nam a2200121Ia 4500
100 _aVilanilam, J.V.
020 _a81-7036-306-3
942 _cBK
245 _aScience communication and development
260 _aSAGE publications, New Delhi
_c1993
082 _a501 Vil
300 _a241
999 _c33277
_d33277