BAGHERI I, NAGHDI R. Efficiency Evaluation of Ground Skidding System and Determining the Optimum Forest Road Density in Caspian Forest (Northern Iran). ijnes [Internet]. 2019 Jul. 15 [cited 2024 Nov. 14];3(3):81-7. Available from: https://ijnes.org/index.php/ijnes/article/view/495