List of Articles نمودار پارتو Open Access Article Abstract Page Full-Text 1 - Performance analysis and optimization of 6-DOF Hunt type parallel robot erfan mirshekari َAfshin Ghanbarzadeh Open Access Article Abstract Page Full-Text 2 - Evaluation and Improvement in Company Manufacturing Processes based on the Six-sigma Methodology Alireza Alinezhad Parviz Mohammadpour Nima Esfandiari