B. Tahir, M. Tahir, N. A. Saidina Amin, Photocatalytic CO₂-Hydrogen Conversion via RWGSR over Ni/TiO₂ Nanocatalyst Dispersed in Layered MMT Nanoclay, Chemical Engineering Transactions. 63 (2018) 115-120. doi:10.3303/CET1863020.