Mayasari, F. Y. .; Pertiwi, W. .; Aprilianingsih, M. .; Fajarwati , R.; Pratama , N. R.; Perdamaian, K. K. . IN HOUSE TRAINING RISK MANAGEMENT BASED ON OPPORTUNITY SOLUTION TREE ANALYSIS AND FISHBONE ANALYSIS AT MUHAMMADIYAH METRO GENERAL HOSPITAL. abjcd 2026, 7, 25-31.