“KEEFEKTIFAN MODEL COOPERATIVE LEARNING STRUKTURES DALAM PEMBELAJARAN WAWANCARA SISWA KELAS X SMK NEGERI 2 KAYUAGUNG”. JURNAL DIALEKTOLOGI, vol. 4, no. 2, Nov. 2019, pp. 1-17, https://ejournal.uniski.ac.id/index.php/dialektologi/article/view/266.