Cheng, Chai Siew, SKL Jimeno, R Sasidaran, and A Sergius. 2013. “Pilot Epidemiological Study of Cleft Lip and Or Palate Inh Kota Kinabalu, Sabah”. Asian Journal of Medical Sciences 4 (3):86-91. https://nepjol.info./index.php/AJMS/article/view/8170.