Baldovino, F. H. B., and J. L. Auresenia. “Effect of Experimental Factors in the Growth of Carbon Nanotubes from CO2 by MPECVD Process”. ASEAN Journal of Chemical Engineering, Vol. 14, no. 1, June 2014, pp. 28-44, https://dev.journal.ugm.ac.id/v3/AJChE/article/view/8468.