Octarya, Z., E. Yenti, L. Utami, and Yusbarina. “Sustainable Solid Soap Production Using Recycled Cooking Oil With Ecoenzyme and Lemongrass Extract”. Acta Biochimica Indonesiana, Vol. 8, no. 1, Jan. 2025, p. 191, doi:10.32889/actabioina.191.