Chosa และผู้แต่งคนอื่นๆ. 2000. Factors affecting infection of soil-transmitted helminths among primary school children in Vientiane, Lao P.D.R. Faculty of Graduate Studies, Mahidol University;
Chosa และผู้แต่งคนอื่นๆ. (2000) Factors affecting infection of soil-transmitted helminths among primary school children in Vientiane, Lao P.D.R. . Mahidol University/Bangkok.
Chosa และผู้แต่งคนอื่นๆ. Factors affecting infection of soil-transmitted helminths among primary school children in Vientiane, Lao P.D.R. . Bangkok:Mahidol University, 2000.
Chosa และผู้แต่งคนอื่นๆ. (2000) Factors affecting infection of soil-transmitted helminths among primary school children in Vientiane, Lao P.D.R. . Mahidol University/Bangkok.