Isnaini I, Harahap DA. Improving Students’ Activeness in English Learning through Problem Based Learning Model and Wordwall Interactive Media on the Material ’My School Activities’ at Class VII Students of SMP Negeri 3 Kisaran. Innovative [Internet]. 2025 Jun. 19 [cited 2026 Jun. 16];5(3):6509-15. Available from: https://j-innovative.org/index.php/Innovative/article/view/19630