“CLEAN-UP DAN UPGRADE FASILITAS SUMBER UMBULAN LOR GUNA MENINGKATKAN POTENSI WISATA LOKAL DESA NGENEP”, kopemas, vol. 3, no. 1, Jan. 2023, Accessed: Jul. 15, 2026. [Online]. Available: https://new-conference.unisma.ac.id/index.php/KOPEMAS/article/view/1353