Wei, D., Liping, C., Zhijun, M., Guangwei, W., & Ruirui, Z. (2010). Review of non-chemical weed management for green agriculture. International Journal of Agricultural and Biological Engineering, 3(4), 52–60. Retrieved from https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/225