ZAKIR, S.; KHAN, F. N. Consumer Attitude towards Automobile Lubricants: A Case Study of PSO Lubricants. JISR management and social sciences & economics, [S. l.], v. 9, n. 1, p. 31–45, 2011. DOI: 10.31384/jisrmsse/2011.09.1.3. Disponível em: https://jisrmsse.szabist.edu.pk/index.php/szabist/article/view/246. Acesso em: 4 may. 2024.