1.
Ryavec KE, Henderson M. Research Report—"Mapping Political Economies Over Time: Teaching Regional Systems Theory With G.W. Skinner’s Historical GIS Datasets”. JWSR [Internet]. 2018 Aug. 14 [cited 2024 Nov. 4];24(2):435-43. Available from: https://jwsr.pitt.edu/ojs/jwsr/article/view/872