Nahar, Najmun, Alex Otieno Owino, Sayful Kabir Khan, Zakaria Hossain, and Noma Tamaki. 2021. “Effects of Controlled Burn Rice Husk Ash on Geotechnical Properties of the Soil”. Journal of Agricultural Engineering 52 (4). https://doi.org/10.4081/jae.2021.1216.