A fuzzy linear programming model for production planning in coal mines

Material Requirement Planning with fuzzy constraints and fuzzy coefficients

Fuzzy Sets and Systems

MRP with flexible constraints: A fuzzy mathematical programming approach

Fuzzy Sets and Systems

A Review of Operations Research in Mine Planning

Interfaces

Using system dynamics for simulation and optimization of one coal industry system under fuzzy environment

Expert Systems with Applications: An International Journal

Scatter search based interactive multi-criteria optimization of fuzzy objectives for coal production planning

Engineering Applications of Artificial Intelligence