AZRIN, Alif Izzuddin; ABDUL GHAFIR, Mohammad Fahmi. Investigation of Different Emissions Tax Calculation Methods for Kuala Lumpur International Airport. Progress in Aerospace and Aviation Technology, [S. l.], v. 4, n. 2, p. 51–59, 2024. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/paat/article/view/16789. Acesso em: 11 mar. 2026.