Tetiana Kurbet
Zhytomyr Polytechnic State University
10005, Chudnivska str., 103, Zhytomyr, Ukraine
Poliskyi Branch of the Ukrainian Research Institute of Forestry and Forest Melioration named after G. M. Vysotsky
10004, 2 Neskorenykh Str., v. Dovzhyk, Zhytomyr region, Ukraine
