List of Articles Masoud Sanei Article 1 - SENSITIVITY ANALYSIS OF EFFICIENT AND INEFFICIENT UNITS IN INTEGER-VALUED DATA ENVELOPMENT ANALYSIS Shokoofeh Banihashemi Ghasem Tohidi Masoud Sanei International Journal of Mathematical Modeling & Computations , Issue 1 , Year , Winter 2014 Article 2 - USING FREE DISPOSAL HULL MODELS IN SUPPLY CHAIN MANAGEMENT Somayeh Mamizadeh-Chatghayeh Masoud Sanei International Journal of Mathematical Modeling & Computations , Issue 1 , Year , Spring 2013 Article 3 - SOLVING A STEP FIXED CHARGE TRANSPORTATION PROBLEM BY A SPANNING TREE-BASED MEMETIC ALGORITHM Saber Molla-Alizadeh-Zavardehi Masoud Sanei Reza Soltani Ali Mahmoodirad International Journal of Mathematical Modeling & Computations , Issue 1 , Year , Spring 2014 Article 4 - AN ELECTROMAGNETISM-LIKE ALGORITHM FOR FIXED CHARGE SOLID TRANSPORTATION PROBLEM Masoud Sanei Ali Mahmoodirad Saber Molla-Alizadeh-Zavardehi International Journal of Mathematical Modeling & Computations , Issue 1 , Year , Autumn 2013