G. K. Hilliard,American Society for Engineering Education Engineering Design Graphics Division,International Conference on Descriptive Geometry.International Conference on Descriptive Geometry (1978 : Vancouver, Univ. of British Columbia).ASEE,1978.
International Conference on Descriptive Geometry (1978 : Vancouver, Univ. of British Columbia)
G. K. Hilliard,American Society for Engineering Education Engineering Design Graphics Division,International Conference on Descriptive Geometry.ASEE,1978.
Society for the Promotion of Engineering Education (U.S.)等.The Journal of engineering education.Society for the Promotion of Engineering Education,1924-69.