Haikal MN. The External Factors of Students’ Involvement in Speaking Activity at SMP Progresif Bumi Shalawat. IEJELITE [Internet]. 2016Jul.28 [cited 2024May3];2(1):81-. Available from: https://ejournal.kopertais4.or.id/mataraman/index.php/efi/article/view/1928