Aryananda, Menak, Sambas Basuni, and Tutut Sunarminto. 2018. “Promotions Effectiveness of Kawah Putih Ecotourism by Perhutani’s Independenly Bussines Unit I”. Media Konservasi 22 (2), 188-95. https://doi.org/10.29244/medkon.22.2.188-195.