Kunlong Wu, Ruoqi Bai, Chengnian Zhang,. “Studies on Countermeasures of Agricultural Mechanization in Mountainous Areas in Southern China: A Case Study of Wencheng County”. Forest Chemicals Review (December 15, 2021): 644-656. Accessed May 13, 2024. http://forestchemicalsreview.com/index.php/JFCR/article/view/238.