IQBAL, S. A. (2011). Problems in inorganic chemistry. Discovery Publishing House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIQBAL, Syed Aftab. Problems in Inorganic Chemistry. Discovery Publishing House, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIQBAL, Syed Aftab. Problems in Inorganic Chemistry. Discovery Publishing House, 2011.
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