Bashit N, Subiyanto S, Prasetyo Y, Sukmono A, Br Sitepu SA. The Impact of Visit Frequency on Kreo Cave Tourism Development. KEG [Internet]. 2019Dec.26 [cited 2024Apr.19];4(3):313–322. Available from: https://knepublishing.com/index.php/KnE-Engineering/article/view/5872