Paunović, Perica, Aleksandar T. Dimitrov, Orce Popovski, Dragan Slavkov, and Sveto Hadzi Jordanov. 2007. “Effect of Carbon Nanotubes Support in Improving the Performance of Mixed Electrocatalysts for Hydrogen Evolution”. Macedonian Journal of Chemistry and Chemical Engineering 26 (2):87-93. https://doi.org/10.20450/mjcce.2007.262.