La, H., H. Hoang, V. Dien, and C. Ngo. “Validity and Reliability of Child Oral Health Impact Profile Among Vietnamese Children from 12 to 15 Years Old”. Science and Technology Development Journal: Health Sciences, Vol. 2, no. 2, Nov. 2021, pp. 281-8, doi:https://doi.org/10.32508/stdjhs.v2i2.488.