Govorun, O., Sira, O., Vertel, V. and Darmostuk, V. (2020) “«Vakalivsky slopes» - projected local nature reserve in Sumy region ”, Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology, 39(1), pp. 19-25. doi: 10.32782/agrobio.2020.1.3.