Siagian, Novia G., Sri Wardani, Nuni Widiarti, and Agus Yuwono. “Improving Science Process Skill in Science Subject in Elementary School”. Journal of Learning Improvement and Lesson Study 5, no. 1 (June 29, 2025): 79–84. Accessed August 18, 2025. https://jlils.ppj.unp.ac.id/index.php/jlils/article/view/151.