Authors
Douglas Edward Barre
Department of Health Sciences, Cape Breton University, Sydney, Canada
Kazimiera Amelia Mizier-Barre
Department of Health Sciences, Cape Breton University, Sydney, Canada
© 2020 Douglas Edward Barre, Kazimiera Amelia Mizier-Barre, published by Slovak Academy of Sciences, Mathematical Institute
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.