Ahmad, Y. J. (1984). Environmental decision-making. Hodder and Stoughton.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAhmad, Yusuf J. Environmental Decision-making. London: Hodder and Stoughton, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAhmad, Yusuf J. Environmental Decision-making. Hodder and Stoughton, 1984.
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