Manh Hung, Bui, and Bui The Doi. “APPLYING LINEAR MIXED MODEL (LMM) TO ANALYZE FORESTRY DATA, CHECKING AUTOCORRELATION AND RANDOM EFFECTS, USING R”. Journal of Forestry Science and Technology, no. 2 (April 25, 2017): 017–026. Accessed August 18, 2025. http://journal.vnuf.edu.vn/en/article/view/1068.