List of Articles least square method Open Access Article Abstract Page Full-Text 1 - A new approach to apply the essential boundary conditions in element free Galerkin method for elliptic partial differential equations Ali Mesforush Komeil Izadpanah Open Access Article Abstract Page Full-Text 2 - Comparison of the Third- order moving average and least square methods for estimating of shape and depth residual magnetic anomalies Mohammad Fouladi Mirsattar Meshinchi Asl Mahmoud Mehramuz Nima Nezafati 10.30495/ijes.2021.682866 Open Access Article Abstract Page Full-Text 3 - Evaluation of rainbow trout market power in Iran Yaqoob Zeratkish Zeynab Omidavar