List of Articles Network structure Open Access Article Abstract Page Full-Text 1 - Introducing a Relational Network DEA Model with Stochastic Intermediate measures for Portfolio Optimization Hoda Golshani Hadi Hadi Bagherzadeh Valami Mahnaz Mirbolouki Open Access Article Abstract Page Full-Text 2 - Toward a High-Accuracy Hybrid System for Cardiac Patient Data Analysis using C-Means Fuzzy Clustering in Neural Network Structure Mahmood Karim Qaseem Razieh Asgarnezhad 10.30486/mjtd.2023.1977501.1014 Open Access Article Abstract Page Full-Text 3 - Development of a Network Data Envelopment Analysis (NDEA) model for investigation of the internal structure of decision-making units Reza Soleymani-Damaneh Open Access Article Abstract Page Full-Text 4 - Malmquist productivity index to measure progression and regression in the network and its application to study at a university School Morteza Azarbad Farhad Hosin zadeh Open Access Article Abstract Page Full-Text 5 - Eco-Efficiency in two-stage structure;A DDF Approach Monireh Zoriehhabib Mahnaz Maghbouli Open Access Article Abstract Page Full-Text 6 - A new model for calculating the efficiency of existing cement companies with a network structure (an application of data envelopment analysis) Mohammad hossein darvish motevalli Farhad hosseinzadeh lotfi naghi shoja amir gholamabri