Alfaramawi, K., S. Abboudy, L. Abulnasr, S. Ebrahim, and Ahlam K. Yousif. “Evaluation and Characterization of the Optical Properties of NBR Rubber N220 Granular Carbon Black Composites”. Journal of Optics and Photonics Research (January 13, 2026). Accessed January 29, 2026. https://ojs.bonviewpress.com/index.php/JOPR/article/view/7361.