Removal of Lead (II) from Polluted Seawater in Mukalla Coast, Hadhramout Using Biotechnology of Dried Biomass of Macroalgae, Gracilaria sp and Sargassum sp. HADHRAMOUT JOURNAL OF MEDICAL SCIENCES. 2023;18(1). تاريخ الوصول أكتوبر 22, 2026. https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/103