Rifai, Rusdian, Turmudi, Jarnawi Afgani Dahlan, and Suhendra. “Implementation of Open-Ended Approach in Mathematics Learning to Improve Learning Independence of Vocational High School Students”. EduMatSains : Jurnal Pendidikan, Matematika dan Sains 10, no. 1 (July 31, 2025): 88–97. Accessed August 3, 2025. https://ejournal.uki.ac.id/index.php/edumatsains/article/view/6710.