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. https://doi.org/10.61841/teehdg06.