Matthew Gardner Kelly. (2019). A Map Is More Than Just a Graph: Geospatial Educational Research and the Importance of Historical Context. SAGE Publishing.
Chicago-viite (17. p.)Matthew Gardner Kelly. A Map Is More Than Just a Graph: Geospatial Educational Research and the Importance of Historical Context. SAGE Publishing, 2019.
MLA-viite (9. p.)Matthew Gardner Kelly. A Map Is More Than Just a Graph: Geospatial Educational Research and the Importance of Historical Context. SAGE Publishing, 2019.
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