List of Articles Gene Expression Programming (GEP) Open Access Article Abstract Page Full-Text 1 - GEP-based Modeling for Predicting Sponge Iron Metallization in Persian Direct Reduction (PERED) Method Mehdi Firouzi Mojtaba Sadeghi Gogheri Mojtaba Firouzi Masoud Kasiri-Asgarani Hamid Reza Bakhsheshi-Rad