Amri, K., I. Paryanto, and M. D. Solikhah. “Study on Revitalization of a Small-Scale Biodiesel Plant With 6 Tpd Capacity in Kotabaru, South Kalimantan”. KnE Energy, Vol. 1, no. 1, Nov. 2015, pp. 102-8, doi:10.18502/ken.v1i1.334.