List of Articles Concurrent Engineering 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 Open Access Article Abstract Page Full-Text 3 - An availability-based design optimization by using a fuzzy goal programming approach zahra sobhani mahmoud Shahrokhi Alain bernard