“Synthesis of Tin Oxide Thin Films by Sol-Gel Spin Coating Method and Study of Their Color Properties Using CIE 1931 and CIE LAB Systems”. Iraqi Journal of Applied Physics 21, no. 1 (March 25, 2025): 3–8. Accessed June 19, 2026. https://ijap-iq.com/index.php/ijap/article/view/332.