SOME BIOLOGICAL HEALTH HAZARDS AMONG SEWAGE WORKERS
F., H., A., R. (2009). SOME BIOLOGICAL HEALTH HAZARDS AMONG SEWAGE WORKERS. EKB Journal Management System, 33(2), 119-130. doi: 10.21608/ejom.2009.673
Helal F.; Rashed A.. "SOME BIOLOGICAL HEALTH HAZARDS AMONG SEWAGE WORKERS". EKB Journal Management System, 33, 2, 2009, 119-130. doi: 10.21608/ejom.2009.673
F., H., A., R. (2009). 'SOME BIOLOGICAL HEALTH HAZARDS AMONG SEWAGE WORKERS', EKB Journal Management System, 33(2), pp. 119-130. doi: 10.21608/ejom.2009.673
F., H., A., R. SOME BIOLOGICAL HEALTH HAZARDS AMONG SEWAGE WORKERS. EKB Journal Management System, 2009; 33(2): 119-130. doi: 10.21608/ejom.2009.673