Sitorus, R.J., Wibisono, H., Ridwan, H., Antara, N.Y., Panjaitan, M.N. and Sangalang, R.V. 2023. TRACING OF COVID-19 TRANSMISSION BASED ON CLOSE CONTACT POPULATION: CASES IN SOUTH SUMATRA: Penelusuran penularan COVID-19 dari Populasi Kontak Erat: Kasus di Sumatera Selatan. Jurnal Berkala Epidemiologi. 11, 1 (Jan. 2023), 9–16. DOI:https://doi.org/10.20473/jbe.V11I12023.9-16.