Kayode-Ojo, N. and Edeoghon, E. E. “Evaluation of Laterite Soil Reinforced With a Mixture of Periwinkle and Palm Kernel Shells As Road Construction Materials in Niger Delta, Nigeria”. Journal of Energy Technology and Environment 3, no. 4 (December 29, 2021). Accessed July 7, 2024. https://journals.nipes.org/index.php/jete/article/view/480.