1. Amasaka, K (1998): Application of Classification and Related Methods to the SQC Renaissance in Toyota Motor, Hayashi, C et al.(Eds.), Data Science, Classification and Related Methods, 684–695, Springer.
2. K. Amasaka(1999): A study on“Science SQC”by Utilizing“Management SQC,-Demonstrative Study on a New SQC Concept and Procedure in the Manufacturing Industry-, Journal of Production Economics, 60-61, 591–598.
3. Amasaka, K and Osaki, S (1999): The Promotion of New Statistical Quality Control Internal Education in Toyota Motor-A Proposal of“Science SQC” for Improving the Principle of TQM-, European Journal of Engineering Education (EJEE), Research and Education in Reliability, Maintenance, Quality Control, Risk and Safety, 24(3), 259–276.
4. Amasaka, K(2000): A Demonstrative Study of a New SQC Concept and Procedure in the Manufacturing Industry,-Establishment of a New Technical Method for Conducting Scientific SQC-, An International Journal of Mathematical & Computer modeling, 31(10-12), 1–10.
5. Amasaka, K(2002):Proposal and Implementation of the“Science SQC”Quality Control Principle, International Journal of Computer Modeling. (decided to be published)