Suherman, S., Negara, G. S. ., Kristiyanti, M. ., Ashari, I. . and Weda, I. (2023) “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(1), pp. 259–265. doi: 10.31098/cset.v3i1.757.