Farhan, Achmad, et al. “Pengaruh Bimbingan Kelompok Teknik Sosiodrama Terhadap Peningkatan Komunikasi Interpersonal Siswa”. Prosiding University Research Colloquium, May 2021, pp. 199-03, https://repository.urecol.org/index.php/proceeding/article/view/1351.