List of Articles Mohsen Rostamy-Malkhalifeh Article 1 - A goal programming procedure for ranking decision making units in DEA Farhad Hosseinzadeh-Lotfi Mohammad Izadikhah R. Roostaee Mohsen Rostamy-Malkhalifeh Theory of Approximation and Applications , Issue 1 , Year , Spring 2013 Article 2 - Application of variational iteration method for solving singular two point boundary value problem Mohsen Rostamy-Malkhalifeh H. Saleh Theory of Approximation and Applications , Issue 1 , Year , Winter 2015