Mingtio, Sandi Marahhul, and Abdul Muhid. “THE EFFECTIVENESS OF GROUP COUNSELING SERVICES WITH POSITIVE SELF TALK TO IMPROVE STUDENT’S SELF-AFFICATION”. Jurnal Bimbingan Dan Konseling Pandohop, vol. 2, no. 1, Mar. 2022, pp. 1-8, doi:10.37304/pandohop.v2i1.3804.