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Vu และผู้แต่งคนอื่นๆ. (2009) Negotiating safer sex practices by female sex workers infected with STIs/HIV in Haiphong City, Vietnam /Vu Thi Du . Mahidol University/Bangkok.
Vu และผู้แต่งคนอื่นๆ. Negotiating safer sex practices by female sex workers infected with STIs/HIV in Haiphong City, Vietnam /Vu Thi Du. . Bangkok:Mahidol University, 2009.
Vu และผู้แต่งคนอื่นๆ. (2009) Negotiating safer sex practices by female sex workers infected with STIs/HIV in Haiphong City, Vietnam /Vu Thi Du . Mahidol University/Bangkok.