EDITORIAL BOARD E.Slavcheva – doctor of science, professor August 3, 2018August 29, 2018 Leave a Comment on E.Slavcheva – doctor of science, professor Chair of the general assembly of Bulgarian AS, Director of Institute of Electrochemistry and Energy Systems “Academician Evgeni Budevski” -IEES Sofia, Bulgaria Tel: +359 28722543/em> E-mail: eslavcheva@iees.bas.bg