KALAISELVI, G.; VADIVEL, J. S. Cost Structure Analysis of Selected Oil and Natural Gas Companies in India. The International Journal of Business & Management, [S. l.], v. 3, n. 11, 2015. Disponível em: https://internationaljournalcorner.com/index.php/theijbm/article/view/128377. Acesso em: 23 jul. 2024.