Khoirudin A, Arif Gunawan I, Rahman T, Nur Endah W, Endah Wahyuni A. EFFICIENCY OF DISPOSABLE PETRI DISH WASTE IN MICROBIOLOGY LABORATORY USING THE DMAIC METHOD (DEFINE, MEASURE, ANALYZE, IMPROVE, CONTROL) (Case Study: PT. XYZ). Psychosocial rehabilitation. 2020;24(1):3848-3859. doi:10.61841/teehdg06