Kandungan Logam Berat Timah Hitam (Pb) dalam Urine Siswa Sekolah Dasar. Journal of Telenursing (JOTING), [S. l.], v. 4, n. 2, p. 575–581, 2022. DOI: 10.31539/joting.v4i2.3907. Disponível em: https://journal.ipm2kpe.or.id/index.php/JOTING/article/view/3907. Acesso em: 21 sep. 2025.