SABO, T.; ZIRA, A. J.; BULUS, S. Solar Radiation and Development of Human Skin Colours. African Journal of Advances in Science and Technology Research, [S. l.], v. 10, n. 1, p. 110–118, 2023. Disponível em: https://publications.afropolitanjournals.com/index.php/ajastr/article/view/402. Acesso em: 27 oct. 2026.