Ismiyatun, Elvi Qorik, Tri Ariani, and Ovilia Putri Utami Gumay. “Validity of Handout Development Based on Guided Note Taking (GNT) on Mechanical Wave Material”. Equator Science Journal 2, no. 1 (February 29, 2024): 14–20. Accessed April 23, 2026. https://ejournal.edukhatulistiwa.com/index.php/ESJ/article/view/112.