Kusumastutik, A., S. R. Sugiyarti, and W. Winduro. “ANALYSIS OF THE DEVELOPMENT OF UMBUL PONGGOK TOURIST ATTRACTION IN AN EFFORT TO IMPROVE THE COMMUNITY’S ECONOMY IN PONGGOK TOURISM VILLAGE, POLANHARJO DISTRICT, KLATEN REGENCY”. Solidaritas: Jurnal Ilmu-Ilmu Sosial, vol. 8, no. 2, Jan. 2025, https://ejurnal.unisri.ac.id/index.php/sldrts/article/view/11373.