India. Registrar General & Census Commissioner & Sekhar, A. C. (1978). Census of India, 1971. Series 1 India: General economic tables (tables B-I part B, B-III A& B, B-VII, B-VIII and B-IX A & B). Controller of Publication.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और A. Chandra Sekhar. Census of India, 1971. Series 1 India: General Economic Tables (tables B-I Part B, B-III A& B, B-VII, B-VIII and B-IX A & B). Controller of Publication, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar General & Census Commissioner और A. Chandra Sekhar. Census of India, 1971. Series 1 India: General Economic Tables (tables B-I Part B, B-III A& B, B-VII, B-VIII and B-IX A & B). Controller of Publication, 1978.
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