1. [ATSDR] Agency for Toxic Substances and Disease Registry [Internet]. 2001. “Toxicological profile for methyl parathion. US Department of Health and Human Services, Public Health Service”. Available from:http://www.atsdr.cdc.gov/tfacts48.html
2. Bishop Museum [Internet]. 2007. “Hawaii Biological Survey”. Australasian/Oceanian Diptera, entry No. 86, ‘Family Sciomyzidae’. Last revised May 28, 2007. Available from:http://hbs.bishopmuseum.org/aocat/sciomyzidae.html
3. Bunyawat, M. 2004. “[Interview]. Provincial government officer, Khon Kaen province”. Khon Kaen, Thailand
4. Dilts, R. Facilitating the emergence of local institutions: reflections from the experience of the community IPM programme in Indonesia. In: Role of institutions in rural community development: report of the APO study meeting in Colombo 21–29 Sep. Asian Productivity Organisation (APO). pp.50–65.