Bapna, S. (1980). Aggregate supply response of crops in a developing region. Sultan Chand and Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBapna, S.L. Aggregate Supply Response of Crops in a Developing Region. Sultan Chand and Sons, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBapna, S.L. Aggregate Supply Response of Crops in a Developing Region. Sultan Chand and Sons, 1980.
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