Mohamad, Z., and M. H. . Roslan. “Investigation of Mechanical and Physical Properties of Eggshell Reinforced With Different Type of Resin”. Research Progress in Mechanical and Manufacturing Engineering, vol. 1, no. 1, Nov. 2020, pp. 160-9, https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/319.