Vasianovych, H. 2019. The Personality of a Teacher in the Good Doing of Academician Ivan Zyazyun (to the 80th Birthday Anniversary) . Journal of Vasyl Stefanyk Precarpathian National University. 5, 1 (Apr. 2019), 17–22. DOI:https://doi.org/10.15330/jpnu.5.1.17-22.