B. N. Duong, P. N. Nguyen, T. K. O. Tran, T. T. U. Tran, and A. D. Hoang, “Development of an innovative method of teaching and learning tooth anatomy: application of shading technique in 3D drawing molar occlusal surfaces”, HUEJMP, vol. 13, no. 7, p. 169, Dec. 2023.