MARINOV, Konstantin; PEEV, Dimitar. REGRESSION MODELS FOR DETERMINING THE OPERATING COSTS OF FORESTRY MILLING MACHINES FOR COMPLETE SOIL PREPARATION FOR REFORESTATION OF POPLAR CLEARINGS. Innovation in Woodworking Industry and Engineering design, [S. l.], v. 13, n. 1, 2026. Disponível em: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/303. Acesso em: 14 apr. 2026.