@conference {ekcsiouglusystems, title = {Systems-Based Approach to Safety and Health in the Small to Medium-sized Enterprises}, booktitle = {Proceedings of XIX World Congress on Safety and Health at Work}, year = {2011}, pages = {22{\textendash}23}, publisher = {http://app.csgb.gov.tr/isgum/safety2011turkey/kongresunumlaring.html}, organization = {http://app.csgb.gov.tr/isgum/safety2011turkey/kongresunumlaring.html}, author = {Mahmut Ek{\c s}io{\u g}lu} }