Tongchure, S., Sukprasert, P., Chaodee, J., and Jatuporn, C. 2021. “Thai traditional bent tree development by mother of Cocoa (Gliricidia sepium)”. International Journal of Agricultural Technology 17 (1):363-74. https://li04.tci-thaijo.org/index.php/IJAT/article/view/5942.