Chemistry of the environmentR. A. Bailey, Ronald A. Bailey, Herbert M. Clark, James P. Ferris, Sonja Krause, Robert L. Strong · First published 2002Open the Tome
Introductory readings in Canadian government & politicsRobert M. Krause · First published 1995Open the Tome
Introductory Readings in Canadian Government and PoliticsRobert M. Krause · First published 1991Open the Tome