Kusumo, F and Silitonga, A S and Ong, Hwai Chyuan and Siswantoro, Joko and Mahlia, T M I (2017) Optimization of transesterification process for Ceiba pentandra oil: A comparative study between kernel-based extreme learning machine and artificial neural networks. Energy, 134. pp. 24-34. ISSN 0360-5442