JARALLAH, Marwa; JARALLAH, Abbas Kasoob; ALI , Hasan H. Study the effect of crystallite size for Cu NPs on the degradation of methylene blue dye under the sun light illumination. ASJ - Academic Science Journal, [S. l.], v. 4, n. 2, p. 58–65, 2026. DOI: 10.24237/04.02.767. Disponível em: https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/767. Acesso em: 6 may. 2026.