Pyakuryal และผู้แต่งคนอื่นๆ. (1998) Outreach for HIV prevention counseling : an intervention to reduce unsafe sexual behaviors among transport workers in Nepal. Chulalongkorn University:ม.ป.ท.Pyakuryal และผู้แต่งคนอื่นๆ. 1998. Outreach for HIV prevention counseling : an intervention to reduce unsafe sexual behaviors among transport workers in Nepal. ม.ป.ท.:Chulalongkorn University;Pyakuryal และผู้แต่งคนอื่นๆ. Outreach for HIV prevention counseling : an intervention to reduce unsafe sexual behaviors among transport workers in Nepal. ม.ป.ท.:Chulalongkorn University, 1998. Print.