Henry Suryo Bintoro, Baron Adi Wijaya, Sumaji. Validity of Learning Video Media with an Open-Ended Approach to Mathematics Learning Outcomes. ICMSNSC [Internet]. 2024 Dec. 30 [cited 2026 Jul. 19];1(2):15-27. Available from: https://prosiding.arimsi.or.id/index.php/ICMSNSC/article/view/17