TY  - JOUR
AU  - Abrishamifar, S. Amir
TI  - ORE extraction and blending optimization model in poly- metallic open PIT mines by chance constrained one-sided goal programming
JO  - Journal of Industrial Engineering International
VL  - 7
IS  - 15
SP  - 60
EP  - 67
PY  - 2011
DO  - 
ER  -