Abdurrahman, A. “The Effect of Friends Counseling on Social Interaction of Students of Class XI IPA 5 MAN 3 Medan”. QALAMUNA: Jurnal Pendidikan, Sosial, Dan Agama, Vol. 13, no. 2, Dec. 2021, pp. 935-44, doi:10.37680/qalamuna.v13i2.1258.