Arman Ramadan, Muhammad Ammar Naufal, Nur Wahidin Ashari, Muhammad Nasiru Hassan. Improving Students’ Geometric Thinking Levels through a Van Hiele Learning Module Integrated with Ethnomathematics. VENN [Internet]. 2026 Aug. 29 [cited 2026 Nov. 1];5(5):1052-61. Available from: https://journal.web.id/journals/venn/article/view/607