In 1988 & 1989 Mr. Donald lectured at industry trade conventions Combec and Dimensions in Montreal & Toronto Canada. Below are the programs and show guides detailing the seminars.
In 1988 & 1989 Mr. Donald lectured at industry trade conventions Combec and Dimensions in Montreal & Toronto Canada. Below are the programs and show guides detailing the seminars.
Combec & Dimensions Conventions
