IBRAHEEM, R. Study the distribution of photovoltaic power and cross section in laser spot light. Journal of Education and Science (JES), [S. l.], v. 19, n. 1, p. 178–189, 2007. DOI: 10.33899/edusj.2007.51138. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24294. Acesso em: 7 aug. 2025.