Eka Titik Susiani, Olief Ilmandira Ratu Farisi. Development of Interactive Learning Videos on Grade IX Spatial Structure Material. JCPA [Internet]. 2026 Jul. 27 [cited 2026 Sep. 13];4(02):1275-87. Available from: https://edujavare.com/index.php/jcpa/article/view/1767