AUTHOR GUIDELINES
O. Ya. Sych Uzhhorod National University Ukraine
Yu. M. Kilivnik Institute for Sorption and Problems of Endoecology of National Academy of Sciences of Ukraine Ukraine
M. M. Pop Uzhhorod National University Ukraine
H. V. Vasylyeva Uzhhorod National University Ukraine
V. Yu. Lazur Uzhhorod National University Ukraine
O. H. Okunev Uzhhorod National University Ukraine