Nata, Iryanti Fatyasari, et al. “Facile Strategy for Surface Functionalization of Corn Cob to Biocarbon and Its Catalytic Performance on Banana Peel Starch Hydrolysis”. International Journal on Advanced Science, Engineering and Information Technology, vol. 7, no. 4, Aug. 2017, pp. 1302-8, doi:10.18517/ijaseit.7.4.2427.