00307nam a2200109Ia 4500082002700000100006100027245005300088260003100141300001500172500000500187700000500192  a309.251095484bN227.SB  aNational Council of Applied Economic Research, New Delhi  aSurvey of backward districts of Andhra Pradeshb  aNew DelhibThe Auth.c1970  axii, 124p.  a  a