Cheng, Y.W. and Chong, C.C. and Cheng, C.K. and Wang, C.-H. and Ng, K.H. and Witoon, T. and Lam, M.K. and Lim, J.W.  (2024) Long-term evaluation of palm oil mill effluent (POME) steam reforming over lanthanum-based perovskite oxides.  Journal of Environmental Management, 351.