Research Article
Determining Productivity of Mechanized Harvesting Machines
Department of Forest Engineering, Faculty of Forestry, S�t�� imam University, 46100 Kahramanmara, Turkey
Orhan Erdas
Department of Forest Engineering, Faculty of Forestry, S�t�� imam University, 46100 Kahramanmara, Turkey
John Sessions
Department of Forest Engineering, College of Forestry, Oregon State University, Corvallis, Oregon 97331, USA