Bongkoch Tongsadayu. 2007. Application of dehydrogenase assay for sediment hazardous assessment in Songkhla lake basin. Faculty of Environment and Resource Studies, Mahidol University;
Bongkoch Tongsadayu. (2007) Application of dehydrogenase assay for sediment hazardous assessment in Songkhla lake basin . Mahidol University/Bangkok.
Bongkoch Tongsadayu. Application of dehydrogenase assay for sediment hazardous assessment in Songkhla lake basin. . Bangkok:Mahidol University, 2007.
Bongkoch Tongsadayu. (2007) Application of dehydrogenase assay for sediment hazardous assessment in Songkhla lake basin . Mahidol University/Bangkok.