Innovative Strategies in Mathematics Lesson Planning to Increase Student Engagement in Grade IV State Elementary School Jajar 01. International Journal Universal Pedagogy Education, [S. l.], v. 1, n. 1, p. 81–90, 2025. Disponível em: https://journal.tigaedukasiglobal.co.id/index.php/IJUPE/article/view/29. Acesso em: 10 sep. 2025.