Research article

Notice of Retraction: "Productivity and cost analysis of manual felling and skidding in Oriental spruce (Picea orientalis L.) forests" - Ann. For. Res. 55(2): 297-308, 2012

Erhan Caliskan

Erhan Caliskan
Department of Forest Engineering, Faculty of Forestry, Karadeniz Technical University, 61080 Trabzon, Turkey. Email: erhan_caliskan@yahoo.com

Online First: October 23, 2012
Caliskan, E. 2012. Notice of Retraction: "Productivity and cost analysis of manual felling and skidding in Oriental spruce (Picea orientalis L.) forests" - Ann. For. Res. 55(2): 297-308, 2012. Annals of Forest Research 55(2): 297-308.


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