Krajayklang, M. “Effects of 1-methylcyclopropene on quality and storage life of Pak Choy (Brassica rapa var. chinensis)”. Asia-Pacific Journal of Science and Technology, vol. 17, no. 5, Apr. 2017, pp. 725-33, https://so01.tci-thaijo.org/index.php/APST/article/view/83281.