Rifai R, Turmudi, Jarnawi Afgani Dahlan, Suhendra. Improving Vocational School Students’ Mathematical Communication Skills Through an Open-Ended Approach. IJCESEN [Internet]. 2025 Jun. 30 [cited 2025 Sep. 1];11(3). Available from: https://www.ijcesen.com/index.php/ijcesen/article/view/2827