Okosun, Oboh Satur. “The Effectiveness of Cartographic Method As a Tool in Illustration of Research Data: A Case Study of Delta University, Abraka-Nigeria”. Geodesy and Cartography 43, no. 4 (December 21, 2017): 158-165. Accessed April 26, 2024. https://journals.vilniustech.lt/index.php/GAC/article/view/1700.