P. Pongtongkam, R. Lervichai, S. Apisitiwanich, S. Peyachoknagul, K. Klakhaeng, P. Sripichit, N. singburaudom, S. Fungfupong, and P. Srinives. 1995. “Anther Culture of Hybrid Rice (Khao Dawk Mali 105/Skybonnet)”. Agriculture and Natural Resources 29 (2). Bangkok, Thailand:158-66. https://li01.tci-thaijo.org/index.php/anres/article/view/241311.