James R, A. M. (2014) “In-chamber thermocatalytic tar cracking and syngas reforming using char-supported NiO catalyst in an updraft biomass gasifier”, International Journal of Agricultural and Biological Engineering, 7(6), pp. 91–97. Available at: https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/1648 (Accessed: 27 February 2026).