Sultana, A., M. Rahman, M. Rahman, and P. Shrestha. “Reproduction of Intra-Radicular Surface Anatomy of Extracted Human Teeth: Comparison of Three Different Materials Using Injection Technique”. Mymensingh Medical Journal, vol. 19, no. 2, May 2010, pp. 181-4, https://www.banglajol.info/index.php/MMJ/article/view/5086.