Thungjan, Rattiya, Surapon Saensouk, and Piyaporn Saensouk. 2024. “Effect of Different Concentration of Plant Growth Regulators on 𝙄𝙣 𝙑𝙞𝙩𝙧𝙤 Culture of 𝙆𝙖𝙚𝙢𝙥𝙛𝙚𝙧𝙞𝙖 𝙨𝙞𝙨𝙖𝙠𝙚𝙩𝙚𝙣𝙨𝙞𝙨 Picheans.& Koonterm”. Burapha Science Journal 29 (1 January-April). Chonburi, Thailand:74-98. https://li05.tci-thaijo.org/index.php/buuscij/article/view/314.