India. Registrar General & Census Commissioner & Sekhar, A. C. (1978). Census of India,1971. Series 1 India: Establishment tables (E-II part 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: Establishment Tables (E-II Part 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: Establishment Tables (E-II Part B). Controller of Publication, 1978.
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