Nattawut Niyomkam. 2008. Ozone application for controlling seed-borne pathogen and insect in Khao Dawk Mali 105 rice variety. Field of Study Agronomy, Chiang Mai University;
Nattawut Niyomkam. (2008) Ozone application for controlling seed-borne pathogen and insect in Khao Dawk Mali 105 rice variety . Chiang Mai University/Chiang Mai.
Nattawut Niyomkam. Ozone application for controlling seed-borne pathogen and insect in Khao Dawk Mali 105 rice variety. . Chiang Mai:Chiang Mai University, 2008.
Nattawut Niyomkam. (2008) Ozone application for controlling seed-borne pathogen and insect in Khao Dawk Mali 105 rice variety . Chiang Mai University/Chiang Mai.