List of Articles Valuation Open Access Article Abstract Page Full-Text 1 - Economical Valuation of River to Conservation for sustainability of Water Supply (Case Study: Masal Khalkaei River, Gilan Province) طوبی عابدی بهنام یوسفی 10.29252/.1.1.31 Open Access Article Abstract Page Full-Text 2 - Technology Valuation Analysis Based on Dynamic Systems Approach (Case Study: Teflon Container Industry) hengame abbasi Aliakbar Hasani jalil gharibi Open Access Article Abstract Page Full-Text 3 - A review of concepts and quantitative methods in technology valuation Jalil Gharibi Seyed Habibollah Tabatabaeiyan Open Access Article Abstract Page Full-Text 4 - Developement of the Patent Prioritization Model using the Electre Method and Analytic Hierarchy Process: A Case Study of Technology Selection in a Cellphone Company mehdi khojasteh Marayam Ashrafi 10.7508/jstpi.2019.02.007 Open Access Article Abstract Page Full-Text 5 - Comparison of the Ideal and Actual Affective States of Opiate-Dependent Addicts and Non-Addicts and Their Relationship to Personality Characteristics S. Said Pournaghash Tehrani Open Access Article Abstract Page Full-Text 6 - Estimation of the Economic Value of Mogarmon Tourist Area Using the Contingent aluation and Individual Travel Costs Approaches iman danaeifar mehrdad mehdizadeh Open Access Article Abstract Page Full-Text 7 - Valuation of digital services in Iran: Empirical proof for Google and Instagram FARHAD ASGHARI ESTIAR AMIR MOHAMMADZADEH Ebrahim Abbasi 10.61186/jict.43901.15.55.14