00550nam a2200169Ia 4500082002400000100003100024245012000055260003100175300001000206500000500216690000600221700000500227952010700232964001700339921000900356999001500365  a338.954(7)bIn39.ST  aIndia. Planning Commission  aScience and technology and environment for the seventh five year plan (1985-90); report of the steering group on-b  aNew DelhibThe Auth.c1984  a331p.  a  a   a  001040708GRaISIbISId1998-08-28l0o338.954(7) In39.STpG703r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a6905  c6905d6905