Aulia Rizka Fariani, Mohamad Fatih, Khoirul Wafa. Development Flashcard Assisted Wordwall Using PBL Model Increase Self Esteem Grade III Elementary School Blitar District. JPLED [Internet]. 2026 Mar. 19 [cited 2026 May 4];6(1). Available from: https://digitalpress.gaes-edu.com/index.php/jpled/article/view/698