TY - JOUR AU - zarghami, mohsen AU - zaree, hosein AU - faghieharam, batoul TI - Investigating the relationship between understanding the level of ease and understanding the usefulness of information technology and the happiness and mental health of Islamshahr Azad University employees JO - Educational researches VL - 6 IS - 23 SP - 1 EP - 17 PY - 2010 DO - ER -