1. ASSESSMENT OF THE SURFACE WATER QUALITY USING WATER QUALITY INDEX (WQI). CASE STUDY: SOMEȘUL MIC RIVER, CLUJ-NAPOCA, ROMANIA. Authors: CRISTINA ROŞU, GABRIELA POPIŢA, CARMEN ROBA, ANCA UNGUR, IOANA PIŞTEA.2. WASTE RECOVERY FROM LEATHER. Authors: OVIDIU NEMEŞ, GABRIELA POPIŢA, DORIN MANCIULA, CRISTINA ROŞU, RĂZVAN DUMITRU POP.