O. Airemwen, Collins, Isesele E. Jude, Adaeze P. Uchendu, Emmanuel M. Halilu, et Michael U. Uhumwangho. 2021. « Formulation of Subcutaneous Implantable Drug Delivery System of Ibuprofen Using Biodegradable Polymers ». Nigerian Journal of Pharmaceutical and Applied Science Research 10 (3):45-52. http://mail.nijophasr.net/index.php/nijophasr/article/view/449.