Department, G. (2019). Principles of Surveying. Obafemi Awolowo University.
Chicago Style (17. basım) AtıfDepartment, Geography. Principles of Surveying. Obafemi Awolowo University, 2019.
MLA (9th ed.) AtıfDepartment, Geography. Principles of Surveying. Obafemi Awolowo University, 2019.
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