USMAN SAFIYANU DUGURI, ISYAKU HASSAN, YUSUF KAMALUDDEEN IBRAHIM. INTERNATIONAL RELATIONS, REALISM, AND LIBERALISM: A THEORETICAL REVIEW. ijshe [Internet]. 2021 Dec. 27 [cited 2024 May 18];2(1):1-6. Available from: https://ijshe.info/index.php/ijshe/article/view/18