yulis, ardi. “PRINSIP-PRINSIP PENGAJARAN BAHASA: The Principles of Language Teaching”. PENTAS : Jurnal Ilmiah Pendidikan Bahasa dan Sastra Indonesia 5, no. 1 (May 10, 2019): 51–63. Accessed June 5, 2026. https://ejournal.unisda.ac.id/index.php/pentas/article/view/867.