Song, Chengyu, Guanglong Zhu, Xiurong Jiao, and Guisheng Zhou. 2019. “Effects of Paclobutrazol on Dry Matter Accumulation and Grain Filling of Castor Bean”. Thematics Journal of Geography 8 (7), 47-66. https://thematicsjournals.org/index.php/tjg/article/view/8157.