TY - JOUR AU - Kolagar Daroonkola, Milad AU - , TI - Proposing a model for evaluating the Customer Satisfaction Index (CSI) in the field of Information Technology (case study: The ICT guild organization companies in Tehran) JO - Modiriat-e- farda VL - 18 IS - 60 SP - 113 EP - 130 PY - 2020 DO - ER -