1. VIRTUAL INSTRUMENT DESIGNED FOR DATA ACQUISITION. Authors: CRISTINEL POPESCU, CORNEL HAȚIEGAN, MIHAELA DORICA STROIA.2. STUDY FOR A PHOTOVOLTAIC SYSTEM TO SUPPLY ELECTRICITY TO AN ISOLATED APIARY. Authors: CORNEL HAȚIEGAN, CRISTINEL POPESCU, MIHAELA MOLNAR, EUGEN RĂDUCA.