Babes-Bolyai University, Babes-Bolyai University, affiliation not provided to SSRN, Babes-Bolyai University, affiliation not provided to SSRN, Babes-Bolyai University, affiliation not provided to SSRN, University of Agricultural Sciences and Veterinary Medicine, Students, affiliation not provided to SSRN, Babes-Bolyai University, Babes-Bolyai University - Faculty of Chemistry and Chemical Engineering and Babes-Bolyai University