“Preparation of Micro and Nano Activated Carbon from Waste Cone Seeds by Thermal Carbonization and Microwave Radiation ”. Journal of the College of Basic Education 27, no. 111 (March 29, 2022): 224–238. Accessed June 4, 2026. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/5230.