1. CLUJ AND SZEGED INDICES IN PROPERTY MODELING. Authors: G. KATONA, M. ARDELEAN, I. HOPARTEAN, M.V. DIUDEA.2. CORRELATING STUDIES BY CLUJ AND SZEGED INDICES. Authors: ANTON ALEXANDRU KISS, G. TURCU, M.V. DIUDEA.3. OMEGA POLYNOMIAL IN TITANIUM OXIDE NANOTUBES. Authors: M.V. DIUDEA, MOHAMMAD ALI HOSSEINZADEH, MODJTABA GHORBANI.4. NATURE OF POLYETHYLENEIMINE-GLUCOSE OXIDASE INTERACTIONS . Authors: M.V. DIUDEA.