Jayawardane, C., & Edirisinghe, J. C. (2014). Environmental Stringency and Dirty Exports: an Empirical Analysis. International Journal of Economic Practices and Theories, 4(6), 1018-1023. Retrieved from http://ijept.eu/index.php/ijept/article/view/Environmental_Stringency_and_Dirty_Exports_an_Empirical_Analys