Azarnoush M, Fathi J. Efficiency Economic Of Chainsaw and Timber Jack 450C Skidder Evaluation in Felling Operation and Ground-Base Skidding System. JAB [Internet]. 2014 May 3 [cited 2024 Nov. 23];4(3):461-76. Available from: https://rajpub.com/index.php/jab/article/view/3746