Dong Meng, Tianke Liu, Ying Zhang. “Analysis on Influencing Factors of Economic Forest Production of Peasant Households in Shandong Province”. Design Engineering 2021, no. 02 (March 27, 2021): 434 - 446. Accessed May 18, 2024. http://thedesignengineering.com/index.php/DE/article/view/1177.