Dakhli, Raja, and Elhem Mallek Maalej. “Olive Mill Waste Water Spreading in Southern Tunisia: Effects on a Barley Crop: (Hordeum Vulgare. L)”. Journal of Agriculture and Environment for International Development (JAEID) 111, no. 1 (June 29, 2017): 87–103. Accessed April 26, 2024. https://www.jaeid.it/index.php/jaeid/article/view/11132.