Khairurrijal, Khairurrijal, Mikrajuddin Abdullah, Memoria Rosi, and Fatimah A. Noor. 2016. “Structural Characteristics of Carbon Nanotubes Fabricated Using Simple Spray Pyrolysis Method”. Indonesian Journal of Physics 19 (3), 91-95. https://doi.org/10.5614/itb.ijp.2008.19.3.5.