SaputraF., SunarmintoT., AriefH., and KamilahK. “Business Development of The Ecotourism of Javan Gibbon: A Marketing Mix Strategy at Gede Pangrango National Park”. Jurnal Aplikasi Bisnis Dan Manajemen (JABM), Vol. 11, no. 1, Jan. 2025, p. 228, doi:10.17358/jabm.11.1.228.