Goel, S. (1977). International administration: WHO south-east Asia regional office. Sterling Pubs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGoel, S.L. International Administration: WHO South-east Asia Regional Office. Sterling Pubs, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGoel, S.L. International Administration: WHO South-east Asia Regional Office. Sterling Pubs, 1977.
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