REFERENCES
REFERENCES
1. Yusniza K, Nor Khalidah A ( 2013). Principles of Marketing (2nd Ed), Oxford
Fajar Sdn. Bhd
2. Crawford C.M, Benedetto C. A (2000). New Product Management (6th Ed),
Mc Graw Hill
3. Kotler P, Armstrong G (2014). Principles of Marketing (15th Ed), Pearson