Monita D, Sihombing L. IMPROVING JUNIOR HIGH SCHOOL STUDENTS™ VOCABULARY ACHIEVEMENT IN READING BY APPLYING WORD WALL. TRANSFORM [Internet]. 31 Desember 2013 [dikutip 30 September 2026];2(4). Tersedia pada: https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/955