1. Obsolote Computers, Gold Mine Sor High Tech Trach Resource Recovery from Recyling;Bleiwas;United States Geological Survey.,2001
2. The gadget scrap heap;Burke;Chem,2007
3. Araştırma ve proje çalışmalarına giriş;Çepni,2007
4. Research methods in education;Cohen,2007
5. Evaluation of Management, Economy and the Potential of Metal Recovery of Electrical and Electronic Wastes (e-waste);Çiftlik;Journal of Engineering and Natural Sciences.,2011