Gopali และผู้แต่งคนอื่นๆ. 2007. Preventive behavior on HIV/AIDS among vocational students in Nongkeam district Thailand /Ram Sharan Gopali. Field of Study Primary Health Care Management, Mahidol University;
Gopali และผู้แต่งคนอื่นๆ. (2007) Preventive behavior on HIV/AIDS among vocational students in Nongkeam district Thailand /Ram Sharan Gopali . Mahidol University/Bangkok.
Gopali และผู้แต่งคนอื่นๆ. Preventive behavior on HIV/AIDS among vocational students in Nongkeam district Thailand /Ram Sharan Gopali. . Bangkok:Mahidol University, 2007.
Gopali และผู้แต่งคนอื่นๆ. (2007) Preventive behavior on HIV/AIDS among vocational students in Nongkeam district Thailand /Ram Sharan Gopali . Mahidol University/Bangkok.