Bhalla, G., & Bhalla, G. (1989). Patterns in Indian agricultural development: A district level study. Institute for Studies in Industrial Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBhalla, G.S, और G.S.;Tyagi Bhalla. Patterns in Indian Agricultural Development: A District Level Study. Institute for Studies in Industrial Development, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBhalla, G.S, और G.S.;Tyagi Bhalla. Patterns in Indian Agricultural Development: A District Level Study. Institute for Studies in Industrial Development, 1989.
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