TY - GEN AU - Mitra, Asok. AU - , . AU - , . ED - India. Directorate of Census Operations. Manager of Publications . TI - Census of India 1961 / T2 - Monograph series; v.1 no.8 Economic regionalization of India problems and approaches, U1 - 352.750954 352.750954 PY - 1968/// CY - New Delhi : PB - Manager of Publications , KW - CENSUS-INDIA-1961 N1 - NULL ER -