فهرس المقالات Seyed Majid Alavi المقاله 1 - Using finite difference method for solving linear two-point fuzzy boundary value problems based on extension principle 20.1001.1.25382217.2020.14.2.1.5 Seyed Majid Alavi Theory of Approximation and Applications , العدد 1 , السنة 14 , بهار 2020 المقاله 2 - A Fuzzy Rule-Based Engine to Predict Noise Annoyance 20.1001.1.25382217.2021.15.1.10.9 Ramin Zare Seyed Majid Alavi Theory of Approximation and Applications , العدد 1 , السنة 15 , زمستان 2021