CHUONG, Nguyen Van, and Trang Kien BUSH. “Soil Chemical Properties and Maize (Zea Mays L.) Yield Influenced by Lime and Fern (Pteris Vittata)”. Walailak Journal of Science and Technology (WJST) 18, no. 18 (September 13, 2021): Article 10025 (10 pages). Accessed August 19, 2022. https://wjst.wu.ac.th/index.php/wjst/article/view/10025.