Kohei Okado, Kazuyuki Tanida, Hiroyuki Hamada, Akihiko Goto, Yuka Takai. The Difference Between Expert and Non-expert Skill in Beauty Services Based on Eye Tracking Technology. In Waldemar Karwowski, Stefan Trzcielinski, Beata Mrugalska, editors, Advances in Manufacturing, Production Management and Process Control - Proceedings of the AHFE 2019 International Conference on Human Aspects of Advanced Manufacturing, and the AHFE International Conference on Advanced Production Management and Process Control, Washington, DC, USA, July 24-28, 2019. Volume 971 of Advances in Intelligent Systems and Computing, pages 219-224, Springer, 2019. [doi]