Author: Kwantlen Polytechnic University Learning Centres, Christina Page, Adam Vincent Source:Open Textbook Library Usage Rights: Publication Date: 2018 View Textbook
Author: T. V. Pleteneva, M.A. Morozova, E.V Uspenskaya, M.A. Khatchaturyan Source:Open Textbook Library Usage Rights: Publication Date: 2019 View Textbook