Na`am, J., Harlan, J., Madenda, S., & Wibowo, E. P. (2016). Identification of the Proximal Caries of Dental X-Ray Image with Multiple Morphology Gradient Method. International Journal on Advanced Science, Engineering and Information Technology, 6(3), 345–348. https://doi.org/10.18517/ijaseit.6.3.827