Systematic mapping study (SMS) in this article is used to structure a research area and analyzed previous literature in International Relations with a research focus in border areas. The most recent guidelines for systematic mapping were in 2008. Meanwhile. there are needs for researchers including doctoral students to conduct the process of systematic mapping to find out a gap and no... https://www.markbroyard.com/quick-find-philadelphia-phillies-citizen-s-bank-park-aerial-view-8-x-10-framed-baseball-stadium-photo-supply-must-buy/