1. CELLULOSIC BIOETHANOL FROM SUNFLOWER SEED HULLS – A RENEWABLE ENERGY SOURCE. Authors: GABRIELA N. ŞIMON, CERASEL VARATICEANU, LĂCRIMIOARA ŞENILĂ, BOGDAN POPESCU.2. BIOETHANOL PRODUCTION FROM WOOD WASTE. Authors: CERASEL VARATICEANU, CECILIA ROMAN, MIRELA MICLEAN, MARIUS ROMAN, LĂCRIMIOARA ŞENILĂ.3. OPTIMIZATION OF GOLD SORPTION FROM AMMONIACAL THIOSULPHATE SOLUTION ON ANION EXCHANGE FIBER USING TAGUCHI EXPERIMENTAL DESIGN. Authors: EMILIA NEAG, ANAMARIA IULIA TÖRÖK, ZAMFIRA DINCA, MARIN SENILA, CERASEL VARATICEANU, ERIKA ANDREA LEVEI, EKATERINA SHILOVA, FRANCOISE BODENAN.