Nicko Gana Saputra, & Asep Parantika. (2017). Analisa Ability To Pay (ATP) Dan Willingness To Pay (WTP) Pengunjung Di Monumen Nasional Jakarta. Jurnal Sains Terapan Pariwisata, 2(2), 129–145. Retrieved from http://103.28.225.131/index.php/jstp/article/view/45