Nwa-David, C. D. “The Behaviour of Concrete Made With Nanosized Periwinkle Shell Ash As Partial Replacement of Cement Under Varying Curing Conditions With Emphasis on Its Compressive Strength”. Journal of Materials Engineering, Structures and Computation, vol. 2, no. 3, Sept. 2023, doi:10.5281/zenodo.8301486.