IBRAHEEM, R.; رغید. 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://rjps.uomosul.edu.iq/edusj/article/view/18294. Acesso em: 4 aug. 2025.