Riana Asparini, R., S. Bintang Dirgantara, and D. Hermayanti. “Differences in Folate and Vitamin B12 Serum Levels Between Mothers Whose Children Were Diagnosed With Non-Syndromic Cleft Lip and Cleft Lip With Palate”. KnE Medicine, Vol. 3, no. 2, Mar. 2023, pp. 91–98, doi:10.18502/kme.v3i2.13040.