"Dynamics of Applied Phosphorus and Transformations Between Different Forms of Phosphorus in Some Syrian Soils: Study of Soil –P Fractionation". 2018. مجلة جامعة اللاذقية- سلسلة العلوم البيولوجية 39 (3). https://journal.latakia-univ.edu.sy/index.php/bioscnc/article/view/3901.