Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "practical norms" Add to list Journal Article A1 Trade networks and the practical norms of taxation at a border crossing between South Sudan and Northern Uganda. Rens Twijnstra, Dorothea Hilhorst and Kristof Titeca (UGent) (2014) JOURNAL OF EASTERN AFRICAN STUDIES. 8(3). p.382-399