1. Alberta Regulation, 192/1996. Waste Control Regulation, Made under the Environment Protection and Enhancement Act, RSA 2000. Published by Alberta Queen’s Printer, Edmonton, Alberta.
2. Enzyme activities as indicators of the stabilization of sewage sludges composting with Eisenia foetida;Benitez;Bioresource Technology,1999
3. British Columbia Regulation 198/2007. The British Columbia organic matter recycling regulation. The Environment Management Act and the Health Act. Published by the Queen’s Printer, Victoria, British Columbia.
4. Brahambhatt, A., 2006. Vermistabilization of biosolids. 20 CP Project Submitted for the Partial Fulfillment of the Degree of Master in Environmental Engineering. School of Environmental Engineering, Griffith University, Brisbane; June 2006 (Supervisor Dr Rajiv K. Sinha).
5. Canadian Council of Ministers of the Environment (CCME), 2005. Guidelines for Compost Quality – PN 1340. Published by the Canadian Council of Ministers of the Environment, Winnipeg, Manitoba.