00327nam a2200085Ia 4500008004100000040003800041100005000079245004500129260006700174211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aNational Counsil of Applied Economic Research 0aTechno-economic survey of Andhra Pradesh  bNational Counsil of Applied Economic ResearchaNew Delhic1962