Molek, Molek, et al. “Relationship of Parental Occupation, Income, and Education With children’s Oral Health: A Study of Sixth-Grade Students at SD 060847 Sekip, Medan”. Buletin Kedokteran & Kesehatan Prima, vol. 5, no. 1, Jan. 2026, pp. 25-28, doi:10.34012/bkkp.v5i1.7969.