Wisudharomn, S., and P. Weerapat. “Inheritance of Grain Yield and Its Components in Two Crosses of Rice (Oryza Sativa L.)”. Agriculture and Natural Resources, vol. 8, no. 2, July 1974, pp. 78-81, https://li01.tci-thaijo.org/index.php/anres/article/view/240692.