ANDRIANI, N. L. E. The Use Of E-Flash Card Assisted By Heyzine With Problem Based Learning Method To Improve English Vocabulary Of Third Grade Students At Sd N 5 Besakih. JURNAL JENDELA PENDIDIKAN, [S. l.], v. 5, n. 03, p. 569–578, 2025. DOI: 10.57008/jjp.v5i03.1571. Disponível em: http://www.ejournal.jendelaedukasi.id/index.php/JJP/article/view/1571. Acesso em: 13 may. 2026.