Dwi Putri, Shintia, Marjohan Marjohan, Firman Firman, and Dina Sukma. 2023. “GROUP GUIDANCE SERVICES USES ASSERTIVE TRAINING TECHNIQUES TO IMPROVE STUDENTS’ INTERPERSONAL COMMUNICATION SKILLS”. SIBATIK JOURNAL: Jurnal Ilmiah Bidang Sosial, Ekonomi, Budaya, Teknologi, Dan Pendidikan 2 (11):3441-52. https://doi.org/10.54443/sibatik.v2i11.1472.