List of Articles نقاط تعادل Open Access Article Abstract Page Full-Text 1 - Numerical solution of the SIR epidemic model using the non-standard finite difference method Abdulrahman Yaghoubi Hashem Saberi Najafi Open Access Article Abstract Page Full-Text 2 - Stability Analysis of a Fractional Order Model of HIV virus and AIDS Infection in the Community M. S. Shahrokhi Dehkordi Y. Ahmadi Open Access Article Abstract Page Full-Text 3 - Application of statistical methods of time series analysis for a very fast and accurate determination of equilibrium thermodynamic conditions of gas-liquid water-hydrate systems in isochoric operation اکبر ایراندوخت