World Health Organization. (2003). Guidelines for the management of sexually transmitted infections. World Health Organization.
শিকাগো স্টাইলে সাইটেশনWorld Health Organization. Guidelines for the Management of Sexually Transmitted Infections. Switzerland: World Health Organization, 2003.
এমএলএ সাইটেশনWorld Health Organization. Guidelines for the Management of Sexually Transmitted Infections. World Health Organization, 2003.
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