INVESTIGATING THE DETERMINANTS OF ENERGY EXPENDITURE IN MALAYSIA MAJOR CITIES BY MIDDLE-INCOME HOUSEHOLDS . Quantum Journal of Social Sciences and Humanities, [S. l.], v. 1, n. 2, p. 1–13, 2020. DOI: 10.55197/qjssh.v1i2.7. Disponível em: https://www.qjssh.com/index.php/qjssh/article/view/7. Acesso em: 21 apr. 2026.