Kusnan, Adius, et al. “Effects of Counseling in CVT Clinic and Black Tea (Camelia Sinensis Varietas Assamika) Supplements in the Improvement of CD4 Profile in HIV Patients Receiving ARV Treatment”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 32, no. 1, Mar. 2017, pp. 336-44, https://gssrr.org/JournalOfBasicAndApplied/article/view/6933.