1. STUDY OF KAZAKHSTAN’S SHUNGITE AS ELECTROCATALYST SUBSTRATE IN HYDROGEN EVOLUTION REACTION IN ACIDIC MEDIA. Authors: AZHAR ATCHABAROVA, DINARA ABDUAKHYTOVA, KHAISA AVCHUKIR, GRAZIELLA LIANA TURDEAN, SAKEN ABDIMOMYN, RUSTAM TOKPAYEV, TAMINA KHAVAZA, MIKHAIL NAURYZBAYEV.