Sopushynskyy, Ivan, et al. “SOME FEATURES OF TIMBER QUALITY OF BETULA PENDULA ROTH. GROWING IN CARPATHIAN AGROFORESTRY”. 2026. Innovation in Woodworking Industry and Engineering Design, vol. 7, no. 1, May 2018, http://innojs.ltu.bg/index.php/scjournal-inno/article/view/222.