"Lead, Cadmium, and Mercury Concentration Levels in Some Commercial Fish From the Arabian Sea and the Gulf of Aden During the Years 2020–2022". Hadhramout University Journal of Natural & Applied Sciences 20, no. 1 (نوفمبر 29, 2023). تاريخ الوصول يوليو 25, 2026. https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/150.