Octarya, Zona, Elvi Yenti, Lisa Utami, and Yusbarina. “Sustainable Solid Soap Production Using Recycled Cooking Oil With Ecoenzyme and Lemongrass Extract”. Acta Biochimica Indonesiana 8, no. 1 (January 13, 2025): 191. Accessed April 18, 2026. https://www.jurnal.pbbmi.org/index.php/actabioina/article/view/191.