LOTFALIAN, Majid, Abdollah POORKIA, Yahya KOOCH, and Nosratollah RAFATNIA. 2019. “Determination of Correction Coefficient of Skidding Distance According to Existing Road Network in Lalis Forest of Iran”. International Journal of Natural and Engineering Sciences 5 (3):9-11. https://www.ijnes.org/index.php/ijnes/article/view/68.