Tumanggor, Winni R.E., Universitas Sumatera Utara

• Vol 5, No 2 (2023): CONTAGION - Articles
  Lead Concentration In Soils Of Roadside Farmland In Lubuk Pakam, Deli Serdang
  Abstract  PDF
• Vol 5, No 3 (2023): CONTAGION - Articles
  Mapping of Diarrhea among Under-Five Children Based on Household Basic Sanitation in Pagurawan Health Center, Batu Bara Regency
  Abstract  PDF