Tarusu, Deysti Trivena, Junita C. Makawawa, and Navel Oktaviandy Mangelep. 2026. “Joyful Learning in Elementary Mathematics: A Multi-Site Case Study of Teacher Strategies and Student Engagement in Tomohon City”. Jurnal Pendidikan Terapan 4 (2):144-56. https://doi.org/10.61255/jupiter.v4i2.895.