Omer, A. M., and G. K. M. Ali. “ASSESSMENT OF THE SUBSTANDARD DRUGS IN DEVELOPING COUNTRIES: THE IMPACT OF THE PHARMACEUTICAL REGULATIONS ON THE QUALITY OF MEDICINES ON THE SUDANESE MARKET IMPORTERS’ PERSPECTIVE”. Medico Research Chronicles, Vol. 1, no. 1, Oct. 2014, pp. 30-48, https://medrech.com/index.php/medrech/article/view/5.