Puttiraporn Hungsawanus. 2007. Comparison of knowledge and attitude towards AIDS between primary and secondary school students in Samutprakarn province. Field of Study Human Reproduction and Population Planning, Mahidol University;

Puttiraporn Hungsawanus. Comparison of knowledge and attitude towards AIDS between primary and secondary school students in Samutprakarn province. . Bangkok:Mahidol University, 2007.

Puttiraporn Hungsawanus. (2007) Comparison of knowledge and attitude towards AIDS between primary and secondary school students in Samutprakarn province . Mahidol University/Bangkok.