Gabriela Reyna Rumi, Ratih Arum Astuti, and I. Irwandi. “Antioxidant Testing of Solid Soap Preparations Containing Ethanol Extract from California Papaya Leaves (Carica Papaya L.)”. Jurnal EduHealth, vol. 16, no. 04, Nov. 2025, pp. 1751-8, https://ejournal.seaninstitute.or.id/index.php/healt/article/view/7311.