Phanurak , W., R. Pitakthanyaporn, and R. Changsri. “Genetic Variation in Upland Rice Dawk Pa-yawm Variety for Good Root Traits and Photoperiod Insensitivity”. Burapha Science Journal, vol. 28, no. 2 May-August, Mar. 2026, pp. 809-27, https://li05.tci-thaijo.org/index.php/buuscij/article/view/1149.