@article{lejpt28009,
 author={O. Oladosu, K. and Kareem, B. and O. Akinnuli, B. and O. Alade, a. A.},
 year={2016},
 title={Optimization of ash yield from the combustion of palm kernel shell and selected additives (Al<sub>2</sub>O<sub>3</sub>, CaO and MgO) using D-optimal design},
 journal={Leonardo Electron. J. Pract. Technol.},
 volume={15},
 number={28},
 pages={9-18},
 url={http://lejpt.academicdirect.org/A28/009_018.pdf}
}