Anugoolprasert, Ornprapa, Hiroshi Ehara, and Hitoshi Naito. “rowth esponse and utrient oncentrations of ago alm under luminum tress”. Science & Technology Asia 19, no. 2 (1): 37-63. ccessed December 2, 2021. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/18416.