Natapraja D, Surahma Asti Mulasari, Try Wahyuni Sukesi. Visitor behavior in littering at the tourist site of alun-alun Kidul Yogyakarta. Jurnal EduHealth [Internet]. 2024 Jan. 15 [cited 2025 Jan. 9];15(01):22-9. Available from: https://ejournal.seaninstitute.or.id/index.php/healt/article/view/3799