Van Tam, V., 		Huu Nhan, N., & 		Quy Tinh, H.
(2017).
 Dental caries situation of preschool children aged from 3 to 6 in Van Xuan commune, Vinh Tuong district, Vinh Phuc province.
<em>VNU Journal Of Science: Natural Sciences And Technology, 33</em>(2S).
doi:10.25073/2588-1140/vnunst.4538