KHAIRUNNISA, M.; SETIARTITI, L. Willingness to Pay Analysis of First Fuel in Yogyakarta. Journal of Economics Research and Social Sciences, [S. l.], v. 4, n. 2, p. 140–148, 2020. DOI: 10.18196/jerss.v4i2.10100. Disponível em: https://journal.umy.ac.id/index.php/jerss/article/view/10100. Acesso em: 30 apr. 2025.