NASUTION, S. B. ANALISA KADAR TIMBAL PADA SAYUR KUBIS (Brassica oleracea L.var. capitata L) YANG DITANAM DI PINGGIR JALAN TANAH KARO BERASTAGI. Jurnal Ilmiah PANNMED (Pharmacist, Analyst, Nurse, Nutrition, Midwivery, Environment, Dentist), [S. l.], v. 8, n. 3, p. 291–289, 2019. DOI: 10.36911/pannmed.v8i3.373. Disponível em: https://ojs.poltekkes-medan.ac.id/pannmed/article/view/373. Acesso em: 19 dec. 2025.