Kanapol Jutamanee, Takashi Saito, and Suranant Subhadrabandhu. 1994. “Control of Sex Expression in Cucumber by Photoperiod, Defoliation, and Plant Growth Regulators”. Agriculture and Natural Resources 28 (4). Bangkok, Thailand:626-31. https://li01.tci-thaijo.org/index.php/anres/article/view/241476.