Jha, D. N. (1974). Planning and agricultural development: A study with reference to Bihar. Sultan Chand.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJha, Durga Nand. Planning and Agricultural Development: A Study with Reference to Bihar. Sultan Chand, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJha, Durga Nand. Planning and Agricultural Development: A Study with Reference to Bihar. Sultan Chand, 1974.
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