Seasonal Assessment of (Escherichia coli) Contamination Resulting from Untreated Wastewater in Marine Ecosystems of Al-Mukalla and Broom Mayfa, Hadhramout, Yemen . (2026). Hadhramout University Journal of Natural & Applied Sciences, 23(1). https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/979