Prapa Sripichitt, Pudcharaporn Tangman, and Wittaya Saengkaewsook. “Effects of Gamma Radiation on In Vitro Multiple Shoot Formation of Aromatic Rice Seeds (Oryza sativa L.)”. Agriculture and Natural Resources 25, no. 2 (June 30, 1991): 146–152. accessed September 18, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/241960.