Vitratul Ilahi and Mila sari (2026) “Green Open Space Availability and Mental Health Outcomes in Indonesian Metropolitan Cities: A Comparative Study ”, Public Research on Outreach, Motivation, and Knowledge for Education in Society (PROMKES), 1(1), pp. 39–48. Available at: https://gpijournal.com/index.php/promkes/article/view/458 (Accessed: 11 June 2026).