Karim Jabr, M.; Alwan Mansour, K. Effectiveness of an Instructional Program on Knowledge and of Attitudes Regarding Environmental Cleaning Among of Housekeeping Staffs in AL-Rushfa Teaching Hospitals in Bagdad City″. Psychosocial rehabilitation 2020, 24 (1), 6666-6673. https://doi.org/10.61841/qs4ynm50.