Permata Sari D, Irmayani I, Sofeny D. An Action Research at SDN Paji: Improving Students’ Vocabulary Mastery through the Word Wall Strategy. PIP [Internet]. 2025 Sep. 19 [cited 2026 May 20];39(1):60-9. Available from: https://journal.unj.ac.id/unj/index.php/pip/article/view/57805