(1986). Chemistry teaching and the environment. Unesco Division of Science Technical and Vocational Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChemistry Teaching and the Environment. Paris: Unesco Division of Science Technical and Vocational Education, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChemistry Teaching and the Environment. Unesco Division of Science Technical and Vocational Education, 1986.
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