1.
Yatsyk A, HopchakІ, Basyuk T. Assessment of the ecological state of the surface waters of the Gapa River. LRaWM [Internet]. 31Mar.2017 [cited 19Dec.2025];105(1):35 -38. Available from: https://www.mivg.s-host.net/index.php/mivg/article/view/32