Suherman, Suherman, Gembong Satria Negara, Mariana Kristiyanti, Ilham Ashari, and Iwan Weda. “Reducing Environmental Pollution Due to the Use of Soap for Cleaning Ships by Using Innovation-Based Products Waste Lemons”. RSF Conference Series: Engineering and Technology 3, no. 1 (October 5, 2023): 259–265. Accessed November 21, 2024. https://proceeding.researchsynergypress.com/index.php/cset/article/view/757.