00497nam a2200169Ia 4500082002000000100002000020245009000040260002900130300001000159500000500169690000600174700000500180952010100185964001700286921000900303999001500312  a338.9bSh562.DM  aShukla, Angiras  aDynamic models and possibility of their application to planned economic developmentb  aNew DelhibAbhinavc1972  a209p.  a  a   a  00104070aISIbISId1998-08-25l0o338.9 Sh562.DMpDP5557r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a6041  c6041d6041