Osear Julio Medina Vargas, M. P. E. d. J. (2012). Preparation of polymeric derivative from cassava starch (manihot esculenta crantz) and its application as flocculant in waste water treatment. Universidad Pedagógica y Tecnológica de Colombia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Osear Julio Medina Vargas, Munoz Prieto Efrén de J. Preparation of Polymeric Derivative from Cassava Starch (manihot Esculenta Crantz) and Its Application as Flocculant in Waste Water Treatment. Universidad Pedagógica y Tecnológica de Colombia, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Osear Julio Medina Vargas, Munoz Prieto Efrén de J. Preparation of Polymeric Derivative from Cassava Starch (manihot Esculenta Crantz) and Its Application as Flocculant in Waste Water Treatment. Universidad Pedagógica y Tecnológica de Colombia, 2012.
