Putririani, et al. “Analysis of The Utilization of Palm Oil Waste in Review From The Theory of Maslahah Case Study CV. Agro Hijau Aek Torop KM 5 Labuhan Batu”. Jurnal Pemberdayaan Masyarakat Madani (JPMM), vol. 8, no. 1, July 2024, pp. 115-27, doi:10.21009/JPMM.008.1.09.