Virasak Tepjun และ Jidapa Dangpradub; Siripong Taeja. (2007) Grain Yield Evaluation of a Soybean Variety: Chiang Mai 5. <i>Thai Agricultural Research Journal</i>, <i>25</i>(3), 271-279.Virasak Tepjun และ Jidapa Dangpradub; Siripong Taeja. "Grain Yield Evaluation of a Soybean Variety: Chiang Mai 5". Thai Agricultural Research Journal 25 (2007):271-279.Virasak Tepjun และ Jidapa Dangpradub; Siripong Taeja. Grain Yield Evaluation of a Soybean Variety: Chiang Mai 5. Department of Agriculture:ม.ป.ท. 2007.