فهرس المقالات Robert Van Der Meer المقاله 1 - The survey of lean implementation maturity level of hospitals in Thailand: Does the hospital type matter? 10.22094/QJIE.2024.951125 Kwanchanok Areewong Vichayanan Rattanawiboonsom Robert Van Der Meer Journal of Optimization in Industrial Engineering , العدد 36 , السنة 17 , بهار 2024