“Synthesis and Characterization of Nano Hydroxyapatite from Waste Egg Shells for Orthopedic and Dental Applications”. Journal of the Pakistan Institute of Chemical Engineers 48, no. 2 (February 16, 2021): 31–38. Accessed August 13, 2026. https://www.piche.org.pk/journal/index.php/jpiche/article/view/443.