Mulyadi, Adi, et al. “Improving Tourism Management in Wisata Alam Sumber Manis Gombengsari”. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat, vol. 4, no. 2, July 2023, pp. 1178-84, doi:10.36526/gandrung.v4i2.2568.