MUKWARAMI, Silas; VAN DER POLL, Huibrecht M van der Poll. Environmental Management Expenditure and Fiscal Sustainability of South African Urban Municipalities: A Panel Data Model. Indonesian Journal of Social and Environmental Issues (IJSEI), [S. l.], v. 4, n. 2, p. 171–183, 2023. DOI: 10.47540/ijsei.v4i2.942. Disponível em: https://www.ojs.literacyinstitute.org/index.php/ijsei/article/view/942. Acesso em: 27 apr. 2026.