1. IMPROVEMENT OF JAIN’S ALGORITHM FOR FREQUENCY ESTIMATION. Authors: GILBERT-RAINER GILLICH, DAVID LUPU, ANDREA AMALIA MINDA.2. AN OVERVIEW ABOUT THE FEASIBILITY OF THE HYDROGEN POWER PLANTS. Authors: DANIELA TABITA NEGREA, EMERIC REMUS SZABO, ANDREA AMALIA MINDA, MARIUS SAVU LOLEA.