MUNUSAMI, C.; OTHMAN, J.; MOHAMAD ISMAIL, S.; SIWAR, C. ESTIMATION OF WILLINGNESS TO PAY FOR WASTEWATER TREATMENT SERVICE IMPROVEMENT IN MALAYSIA. International Journal of Business and Society, [S. l.], v. 17, n. 2, 2017. DOI: 10.33736/ijbs.530.2016. Disponível em: https://publisher.unimas.my/ojs/index.php/IJBS/article/view/530. Acesso em: 3 jul. 2024.