Volume & Issue: Volume 4, 2 (SPRING) - Serial Number 2, Winter 2014 
8. SOLVING A STEP FIXED CHARGE TRANSPORTATION PROBLEM BY A SPANNING TREE-BASED MEMETIC ALGORITHM

Pages 177-187

Saber Molla-Alizadeh-Zavardehi; Masoud Sanei; Reza Soltani; Ali Mahmoodirad