Hendarto, Kresno, Rubangi Al Hasan, Yumantoko Yumantoko, & Ahmad Nur.
" Estimating Entrance Fee of Sendang Gile Water Fall for State Based Recreation." <em>Jurnal Ekonomi Kuantitatif Terapan</em> [Online], (2018): 200-208. Web. 23 Feb. 2025