List of Articles تفکرناب Open Access Article Abstract Page Full-Text 1 - Identification and Analysis of Productivity Enhancing Dimensions in Lean Service: A Grounded Theory Research Mohadeseh Nikookar Roksana Fekri Marzieh Babaeianpour Peyman Akhavan 10.30495/qjopm.2020.1870505.2500 Open Access Article Abstract Page Full-Text 2 - Analyzing the Reasons for Not Using the Value Analysis and Lean Approach (case study) Houshang Taghizadeh Mehrdad Mohammad pour Shattery