Febrian, R., J. Kumalawati, N. D. Putri, L. Luciana, and A. Kekalih. “The Impact of Cycle Threshold Value in Influencing the Performance of COVID-19 Antigen”. INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY, vol. 30, no. 3, June 2024, pp. 269-74, doi:10.24293/ijcpml.v30i3.2217.