Nuanwan Grisanapundha. 1987. Pythium species from crucifer planted soils and their pathogenicity. Bangkok:Kasetsart University;
Nuanwan Grisanapundha. (1987) Pythium species from crucifer planted soils and their pathogenicity (รายงานผลงานวิจัย). Kasetsart University:Bangkok.
Nuanwan Grisanapundha. Pythium species from crucifer planted soils and their pathogenicity. Bangkok:Kasetsart University, 1987.
Nuanwan Grisanapundha. (1987) Pythium species from crucifer planted soils and their pathogenicity (รายงานผลงานวิจัย). Kasetsart University:Bangkok.