Tamyiz, Muchammad, et al. “Empowering Coastal Communities through Oyster Shell Waste Management and Circular Economy Practices in Gisik Cemandi”. Jurnal Karya Abdi Masyarakat, vol. 8, no. 2, Dec. 2024, pp. 93-102, doi:10.22437/jkam.v8i2.36931.