Arzani, H. , Amiri, A. , Arzani, H. , Kazi, S. , Badarudin, A. (2016), 'Thermophysical and Heat Transfer Performance of Covalent and Noncovalent Functionalized Graphene Nanoplatelet-Based Water Nanofluids in an Annular Heat Exchanger', World Academy of Science, Engineering and Technology, Open Science Index 110, International Journal of Materials and Metallurgical Engineering, 10(2), 193 - 200.