Mashami, Ratna Azizah, et al. “Empowering Communities through Utilization of Coffee Skin Waste into Tea”. Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat, vol. 7, no. 4, Dec. 2022, pp. 509-16, https://doi.org/10.36312/linov.v7i4.957.