Suheryadi, Heru, and Nicko Gana Saputra. 2019. “Analisa Ability To Pay (ATP) Dan Willingness To Pay (WTP) Penumpang MRT (Mass Rapit Transit) Jakarta”. Jurnal Sains Terapan Pariwisata 4 (3):440-65. https://journal.polteksahid.ac.id/index.php/jstp/article/view/375.