List of Articles مدلسازی معادلات ساختاری. Open Access Article Abstract Page Full-Text 1 - Designing a Portfolio Management Model for Health Service R&D Projects Based on Information Technology with a Structural Equation Modeling Approach abbas khamseh maryam kheradranjbar seyyed javad iranbanfard Open Access Article Abstract Page Full-Text 2 - Designing a model for the applicability of blockchain technology in virtual businesses Navid Rezagholizadeh mehdi Afzali Azade PourKabirian