World Health Organization. (1998). Guidelines for the appropriate use of herbal medicines. World Health organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Guidelines for the Appropriate Use of Herbal Medicines. Manila: World Health organization, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Guidelines for the Appropriate Use of Herbal Medicines. World Health organization, 1998.
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