Durubanua, D. R.; Azzahra, F.; Azzarah, R. A.; Azis, T. A.; Berutu, N. Analysis of Obstacles in Evaluating Student Learning through School Collaboration (SMAN 1 Medan, SMAN 2 Medan, and SMAN 3 Medan). edumaspul 2024, 8, 4057-4060.