Siti Rahayu Lubis and Khairuddin (2026) “Development of a Challenge-Based Match The Cups Game Media to Train Interpersonal Communication Skills of Students at SMP Muhammadiyah 7 Medan”, International Journal of Education, Vocational and Social Science , 5(03), pp. 8468-8499. doi: 10.63922/ijevss.v5i03.6211.