N. Yuonis, Zaid, زید, Aswan M. Ali, اسوان, Emad K. Saleh, عماد, Mohamed Abdalla Mohamed, and محمد. “Air Treatment by Negative Ions”. Journal of Education and Science (JES) 31, no. 4 (December 1, 2022): 169–176. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18238.