Risha Agustina Widianata, Muhlasin Amrulloh. TEACHERS’ CHALLENGES AND STRATEGIES IN IMPLEMENTING ACTION DAY AT MUHAMMADIYAH 2 TULANGAN ELEMENTARY SCHOOL. PsychoSeries [Internet]. 2025 Jan. 14 [cited 2025 Jan. 31];1(1). Available from: https://journal.um-surabaya.ac.id/PsychoSeries/article/view/25269