1.
Analysis and Purification of Nkalagu (Nigeria) Limestone and Poultry Eggshells for the Production of Paint Grade Calcium Carbonate: Short Communication. Pakistan Journal of Scientific & Industrial Research. 2005;48(6):433-435. Accessed March 10, 2026. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1440