Saparin, S., Wijianti, E., & Rodiawan, R. (2019). Gerakan Indonesia Melayani "Improving The Community Complaint System" In Batu Beriga Village, Lubuk Besar Sub-district, Central Bangka Regency. Jurnal Pengabdian Kepada Masyarakat Universitas Bangka Belitung, 5(2), 50-52. https://doi.org/10.33019/jpu.v5i2.749