J. A. Oke, N. O. Obaji & A. A. Ikoya. Strength Characteristics of Oyster Shell Ash and Periwinkle Shell Ash Stabilized Lateritic Soil for Pavement Construction. JSTR [Internet]. 2022 Dec. 2 [cited 2024 Sep. 20];4(4). Available from: https://journals.nipes.org/index.php/njstr/article/view/397