KHATTAK, M. A.; HAZIQ AYOUB, M. A.; ABDUL MANAF, M. A. F.; MAHRUL, M. F.; MOHD JUHARI, M. R.; MUSTAFFA, M. I. Disputed Keystone XL Pipeline Project and its Implications on Global Energy Security Scenario. Progress in Energy and Environment, [S. l.], v. 5, p. 1–15, 2018. Disponível em: https://www.akademiabaru.com/submit/index.php/progee/article/view/1042. Acesso em: 7 may. 2024.