“Nonlinear Optical Characteristics of Nile Blue Films Doped With the Polymers PMMA, PVC and Their Blend by Using Z-Scan Technique”.
Iraqi Journal of Science 58, no. 4A (June 17, 2025): 1839–1848. Accessed August 14, 2025.
https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/15760.