Stupen, Mykhailo, Nazar Stupen, Zoriana Ryzhok, and Oksana Stupen. “Application of Satellite Monitoring Data for Winter Cereals Growing in the Lviv Region”. Geomatics and Environmental Engineering 14, no. 4 (November 19, 2020): 69–80. Accessed August 31, 2025. https://gaee.agh.edu.pl/gaee/article/view/36.