@incollection{:/content/books/9789287043757s005-c239, author = "World Trade Organization", title = "Sierra Leone", booktitle = "World Tariff Profiles 2016", publisher = "WTO", year = "2016", pages = "153-153", url = "https://www.wto-ilibrary.org/content/books/9789287043757s005-c239" }