OTAH, Patricia Benedict et al. Optical Characteristics of Nickel Oxide Thin Films Doped with Dye Extract from Three Natural Dyes. Nigerian Journal of Physics, [S. l.], v. 34, n. 3, p. 92–98, 2025. DOI: 10.62292/10.62292/njp.v34i3.2025.422. Disponível em: https://njp.nipngr.org/index.php/njp/article/view/422. Acesso em: 28 sep. 2025.