List of Articles رضا شاهوردی Article 1 - ارائه پروتکل جدید امضای دیجیتال کور مبتنی بر مسأله لگاریتم گسسته روی منحنی بیضوی R. shahverdi Journal of New Researches in Mathematics , Issue 8 , Year , Winter 2017 Article 2 - A Comparative Study on Evaluation of Modular Courses in Conservatories by the Fuzzy Delphi Method Reza Shahverdi Safieh Mohsenifar Fuzzy Optimization and Modeling Journal , Issue 5 , Year , Spring 2020 Article 3 - Vague Graph Structures: Some New Concepts and Applications 10.30495/fomj.2023.1987580.1095 reza shahverdi Fuzzy Optimization and Modeling Journal , Issue 5 , Year , Autumn 2022