Margaretha Sinurat, Monica Florent Natalie, and Sri Wulandari. “Mountain Climbing Guide Application for Beginners”. Jurnal Mantik 8, no. 3 (November 30, 2024): 1506-1515. Accessed July 23, 2026. https://iocscience.org/ejournal/index.php/mantik/article/view/5750.