Nur Zafirah Binti Mohd Ar Fahiman. (2016). The improvement on inventory system using lean-six sigma approaches. School of Manufacturing Engineering, University Malaysia Perlis.

Nur Zafirah Binti Mohd Ar Fahiman. The Improvement on Inventory System Using Lean-six Sigma Approaches. Perlis, Malaysia: School of Manufacturing Engineering, University Malaysia Perlis, 2016.

Nur Zafirah Binti Mohd Ar Fahiman. The Improvement on Inventory System Using Lean-six Sigma Approaches. School of Manufacturing Engineering, University Malaysia Perlis, 2016.