1. Alberta Fertilizer Guide;AAFRD,2004
2. 18/11/2014-last Update, Electricity System Improvements;Alberta Energy,2014
3. TRACI 2.0: the tool for the reduction and assessment of chemical and other environmental impacts 2.0;Bare;Clean Technol. Environ. Policy,2011
4. Greening the Grid: Powering Alberta's Future with Renewable Energy;Bell,2009
5. USEFUL WEB SITES GOVERNMENT LINKS;Book,2011