M. Munajat, R. Avenzora, D. Darusman, and S. Basuni, “Ecotourism Pillars Enforcement to Geotourism Destination in Slamet and Serayu Mountainous Areas, Central Java Province ”, J Man Hut Trop, vol. 28, no. 1, p. 72, Apr. 2022, doi: 10.7226/jtfm.28.1.72.