00290nam a2200109Ia 4500082002400000100006100024245003900085260003100124300001500155500000500170700000500175  a338.095483bN277.TE  aNational Council of Applied Economic Research, New Delhi  aTechno-economic survey of Keralab  aNew DelhibThe Auth.c1962  axvi, 367p.  a  a