Implementation of the Guided Discovery Learning Model Assisted by Parachute Teaching Aids on the Material of Relationships Between Angles. Jurnal, Pendidikan [Internet]. 2025 Sep. 25 [cited 2026 Jun. 21];10(3):1231-5. Available from: https://ejournal.mandalanursa.org/index.php/JUPE/article/view/8951