Abdulhameed Umar Abubakar, et al. “Development of Eggshell Powder Potential in Claypot for Water Filtration Process for Rural Dwellers in Nigeria”. Journal of Advanced Industrial Technology and Application, vol. 5, no. 2, Dec. 2024, pp. 29-40, https://penerbit.uthm.edu.my/ojs/index.php/jaita/article/view/18437.