Thungjan, R., S. Saensouk, and P. Saensouk. β€œEffect of Different Concentration of Plant Growth Regulators on 𝙄𝙣 π™‘π™žπ™©π™§π™€ Culture of π™†π™–π™šπ™’π™₯π™›π™šπ™§π™žπ™– π™¨π™žπ™¨π™–π™ π™šπ™©π™šπ™£π™¨π™žπ™¨ Picheans.& Koonterm”. Burapha Science Journal, vol. 29, no. 1 January-April, Jan. 2024, pp. 74-98, https://li05.tci-thaijo.org/index.php/buuscij/article/view/314.