Rossukon Tongsri-on. 2004. Nitrate and nitrite contents in organic, hygienic and conventional Chinese kale. Field of Study Food and Nutritional Toxicology, Mahidol University;
Rossukon Tongsri-on. (2004) Nitrate and nitrite contents in organic, hygienic and conventional Chinese kale . Mahidol University/Bangkok.
Rossukon Tongsri-on. Nitrate and nitrite contents in organic, hygienic and conventional Chinese kale. . Bangkok:Mahidol University, 2004.
Rossukon Tongsri-on. (2004) Nitrate and nitrite contents in organic, hygienic and conventional Chinese kale . Mahidol University/Bangkok.