J. A. Llahuilla Q., L. S. Laguna G., and E. D. Ricaldi C., “Determination of arsenic and lead in lipsticks by atomic absorption spectroscopy that is expanded in Metropolitan Lima”, Ciencia e investigación, vol. 23, no. 2, pp. 35–39, Dec. 2020, doi: 10.15381/ci.v23i2.19379.