“Influence of Kaolin Additive on Ash Yield of Palm Kernel-Cashew Shell Combustion: Effect of Kaolin Additive on Ash Yield of Palm Kernel- Cashew Shell Combustion” (2020) FUTA JOURNAL OF ENGINEERING AND ENGINEERING TECHNOLOGY, 14(2), pp. 231–240. doi:10.51459/futajeet.2020.14.2.258.