List of Articles مهندسی همزمان Open Access Article Abstract Page Full-Text 1 - Conceptual Model For New Product Development In Concurrent Engineering Environment S. M. Seied Hoseini S. J. Iranban Open Access Article Abstract Page Full-Text 2 - Development of Engineering Structures on NPD (New Product Development) Processes in Industry S.M. Seyad-Hosseini J. Nazemi