Paulina, Paulina. “INFORMATION GAP ACTIVITIES IN LESSON STUDY FOR TEACHING ENGLISH FOR YOUNG LEARNERS (TEYL) CLASS”. DIDAKTIKA : Jurnal Pemikiran Pendidikan, vol. 22, no. 1, Jan. 2018, pp. 58-63, https://journal.umg.ac.id/index.php/didaktika/article/view/212.