1. Akgül, G., 2017. Biyokömür: Üretimi ve Kullanım Alanları. RTEÜ. S.Ü. Mühendislik Bilim ve Teknoloji Dergisi, 5(4): 485-499.
2. American Society for Testing and Materials (ASTM) (2016). Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in analysis samples of coal and carbon in analysis samples of coal and coke, ASTM-D5373, ASTM International, 11..
3. Düring, R.A., Gäth, S. (2002). Utilization of Municipal Organic Wastes in Agriculture Where Do we Stand, Where will we go? J. Plant Nutr. Soil Sci., 165, 544-556.
4. Debosz, K., Petersen, S.O., Kure, L.K., Ambus, P. (2002). Evaluating Effects of Sewage Sludge and Household Compost on Soil Physical, Chemical And Microbiological Properties, Applied Soil Technology, 19, 273-248.
5. EPA, METHOD 3051A (2013). Microwave assisted acid digestion of sediments, sludges, soils, and oils. http://www.epa.gov/osw/hazard/testmethods/sw846/pdfs/3051a.pdf . Accessed on 15 May 2013.