Gaffar, Vanessa, Yeni Yuniawati, and Oce Ridwanudin. “An Analysis of Activity Preferences and Motivation for Outdoor Recreation”. SELL (Scope of English Language Teaching, Linguistics, and Literature) Journal 11, no. 1 (February 14, 2026): 35–48. Accessed July 16, 2026. http://publikasi.stkippgri-bkl.ac.id/index.php/SL/article/view/1283.