A. Al-Tabbal, Jalal., Naji. K. Al-Mefleh, Kamel. K. Al-Zboon, and Maher. J. Tadros. “Effects of Volcanic Zeolite Tuff on Olive (Olea Europaea L.) Growth and Soil Chemistry under a Constant Water Level: Five Years’ Monitoring Experience: DOI: 10.32526/Ennrj.18.1.2020.05”. Environment and Natural Resources Journal 18, no. 1 (September 9, 2019): 44-54. Accessed January 19, 2022. https://ph02.tci-thaijo.org/index.php/ennrj/article/view/215349.