Mahmoud Odah, Marwan, and Kadhim Makki Naser. “Effect of Humic Acid and Levels of Zinc and Boron on Chemical Behavior of Zinc in Calcareous Soil”. Journal of Environmental & Earth Sciences 6, no. 3 (October 31, 2024): 143–155. Accessed October 16, 2024. https://journals.bilpubgroup.com/index.php/jees/article/view/7126.