1. Quality function deployment,1990
2. AHP rank reversal;Barzilai;Normalization and Aggregation Rules, INFOR,1994
3. Quality function deployment: The competitive advantage;Bosserman,1992
4. Quality function deployment: A practitioner’s approach;Bossert,1991
5. CGP (1990). Canada green plan. Ottawa, Ontario: Ministry of Supply and Services.