Pillos, K. D. ., M. L. . Pines, R. G. . Samejon, J. M. . Sandigan, and W. F. . Uplac. “An Investigatory Project of Psidium Guajava and Sodium Chloride As Soap for Treating Acne and Exfoliating Skin: Vol.3, No.1D”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 3, no. 1D, Apr. 2024, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/13461.