1. Food and its preparation conditions in hotels in Accra, a concern for food safety;Addo;African Journal of Food, Agriculture, Nutrition and Development,2007
2. Pesticide and pathogen contamination of vegetables in Ghana's urban markets;Amoah;Archives of Environmental Contamination and Toxicology,2006
3. Social research methods;Bryman,2004
4. Judgmental sampling;Castillo,2009
5. Overview of EPA's approach to assessing human health risks from pesticides;Environmental Protection Agency,2007