1. Acar, H.H. 1998. Minimization to be using of transport model of transportation costs by trucks at Artvin Forest District, Journal of Agriculture and Forestry, 22(2):491-497.
2. Acar, H.H., Eroğlu H. 2001. The planning of wood transport on the forest roads, Kafkas University, Artvin Faculty of Forestry Journal, 2(1):61-66.
3. Akay, A.E., Erdaş, O. 2007. Planning Transportation of Forest Products by Network Model, İstanbul University Faculty of Forestry Journal, 57(2):1-20.
4. Akay, A.E. Serin, H., Sessions, J., Bilici, E., Pak, M. 2021. Evaluating the Effects of Improving Forest Road Standards on Economic Value of Forest Products. Croatian Journal of Forest Engineering. 42(2):245-258.
5. Chung, W., Sessions, J. 2001. Network 2001-Transportation Planning Under Multiple Objectives, The International Mountain Logging and 11th Pacific Northwest Skyline Symposium, December.