Gultom, Sio Tuti, Rafles Sinaga, and Ramlan Silaban. 2023. “Application of Scientific Approach-Based Learning Assisted by Question Cards and Ladder Snake Media for Evaluating Learning Outcomes ”. Jurnal Penelitian Pendidikan IPA 9 (10):8091-98. https://doi.org/10.29303/jppipa.v9i10.2633.