TY  - JOUR
AU  - Hamzeei, M
AU  - Zanjirani Farahani, R
TI  - Two optimal algorithms for finding bi-directional shortest path design problem in a block layout
JO  - Journal of Industrial Engineering International
VL  - 3
IS  - 4
SP  - 24
EP  - 34
PY  - 2007
DO  - 
ER  -