List of Articles Open Access Article Abstract Page Full-Text 1 - Numerical solution of Fredholm and Volterra integral equations using the normalized Müntz−Legendre polynomials Fereshteh Saemi Hamideh Ebrahimi Mahmoud Shafiee Open Access Article Abstract Page Full-Text 2 - A Bounded Additive Model for Efficiency Evaluation in Two-Stage Production Systems With Negative Data Hamidreza Babaei Asil Reza Kazemi Matin Mohsen Khounsiavash Zohreh Moghaddas Open Access Article Abstract Page Full-Text 3 - On the Picard-Mann approach for hybridizing the double direction method for solving a system of nonlinear equations. Abubakar Halilu Aliyu kiri Mohammed Waziri Open Access Article Abstract Page Full-Text 4 - An Entropy Based Shapley Value for Ranking in Data Envelopment Analysis Reza Fallahnejad Sanaz Asadirahmati Kaivan Moradipour Open Access Article Abstract Page Full-Text 5 - Meta-heuristic algorithms to solve the problem of terminal facilities on a real scale Mehdi Fazli Farzin Modarres khiabani Behrooz Daneshian Open Access Article Abstract Page Full-Text 6 - Ranking of Decision-Making Units with Multi-Period Two-Stage Network Structure: a Method Based on Relative Data Envelopment Analysis Maghsoud Ahmad khanlou Gharakhanlou Nima Azarmir shotorbani Ghasem Tohidi Shabnam Razavyan Rohollah Abbasi