Tria Agustin, Dery, Warsono -, and Januarius Mujiyanto. “THE USE OF BAHASA INDONESIA (L1) IN THE INTENSIVE ENGLISH (L2) CLASSROOM”. English Education Journal 5, no. 1 (1). Accessed November 25, 2024. http://journal.unnes.ac.id/sju/eej/article/view/6843.