Sultana, A., M. Rahman, M. Rahman, J. Nessa, M. Rahman, and M. Alam. “A Feeding Aid Prosthesis for a Preterm Baby With Cleft Lip and Palate”. Mymensingh Medical Journal, vol. 20, no. 1, Aug. 2011, pp. 22-27, https://www.banglajol.info/index.php/MMJ/article/view/8245.