List of Articles Hybrid Algorithms Open Access Article Abstract Page Full-Text 1 - Prediction of Stream Flow Using Intelligent Hybrid Models in Monthly Scale (Case study: Zarrin roud River) Babak Mohammadi Roozbeh Moazenzadeh 10.22034/jest.2020.24315.3331 Open Access Article Abstract Page Full-Text 2 - A New Approach to The University Course Timetabling Problem based on Clustering Algorithms & Fuzzy Multi-Criteria Decision Making behzad mohammadkhani hamed Babaei, davod eskandari mohammadreza hasanzadeh Open Access Article Abstract Page Full-Text 3 - Determining optimal portfolio using fuzzy goal programing based on black hole and hybrid algorithms, considering investors preferences Hamed Omidi hamedreza vakilifard