Khanitha Wongwathanarat และ Prasert Wongwathanarat. (2007) Qualitative and Quantitative Detection of GM Soy Grain, Soy Meal and Food Products. <i>Thai Agricultural Research Journal</i>, <i>25</i>(3), 280-292.Khanitha Wongwathanarat และ Prasert Wongwathanarat. "Qualitative and Quantitative Detection of GM Soy Grain, Soy Meal and Food Products". Thai Agricultural Research Journal 25 (2007):280-292.Khanitha Wongwathanarat และ Prasert Wongwathanarat. Qualitative and Quantitative Detection of GM Soy Grain, Soy Meal and Food Products. Department of Agriculture:ม.ป.ท. 2007.