List of Articles product development Open Access Article Abstract Page Full-Text 1 - Presenting a Model of Product Development Process Management in Gas Refining Company Hooman Keshavarzi Seyedjavad Iranban Moqaddaseh Mohammadian 10.30495/jsm.2021.1933186.1488 20.1001.1.23222301.2021.7.2.5.2 Open Access Article Abstract Page Full-Text 2 - A Model of Direct and Indirect Effects of Fuzzy-Front-End on New Product Development Javad Iranban Zahra Nemati Open Access Article Abstract Page Full-Text 3 - A Study on Effective Factors on New Product Development with an Emphasis on Fuzzy Hierarchical Analysis Approach Javad Iranban Sanaz Davodzadeh