NIE, D.; ENGELS, L.; ZHANG, J. Presidential Policies’ Effects on Oil and Gas Price and Productions Within the United States from 1977-2021. Journal of Applied Business and Economics, [S. l.], v. 24, n. 4, 2022. Disponível em: https://articlearchives.co/index.php/JABE/article/view/5258. Acesso em: 14 sep. 2025.