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Stefano A, Endayani S. Training and Utilization of Geographic Information Systems at Rahmatullah Lempake Samarinda Islamic Boarding School . Poltanesa [Internet]. 2024 Dec. 6 [cited 2025 Jan. 6];25(2):223-30. Available from: https://e-journal.politanisamarinda.ac.id/index.php/tanesa/article/view/3158