Windarni VA, Setiawan A, Rahmatalia A. Comparison of the Karney Polygon Method and the Shoelace Method for Calculating Area. MATRIK [Internet]. 2023 Nov. 7 [cited 2025 Nov. 21];23(1):39-52. Available from: https://journal.universitasbumigora.ac.id/matrik/article/view/2929