Muigai, Abigail, Sixtus Mwea, and Simpson Osano. “Assessing Strength of Plastic Paving Blocks for Construction of Non-Motorised Transport Facilities.”. East African Journal of Engineering 4, no. 1 (November 25, 2021): 33-38. Accessed April 16, 2024. https://journals.eanso.org/index.php/eaje/article/view/483.