"Chemical and Electrochemical Recycling of Nickel from the Positive Electrode of Spent Nickel: Cadmium Batteries in Sulphuric Acid". Hadhramout University Journal of Natural & Applied Sciences 16, no. 2 (نوفمبر 26, 2023). تاريخ الوصول يوليو 25, 2026. https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/117.