W. R. Mayandari, L. Mubarokah, F. E. F. Astutik, and N. Munaa, “The Effect of Giving Gotu Kola Tea and Green Tea on Hypertension Patients in the ‘Imayah’ Elderly Posyandu, Betro Village in Sidoarjo”, Jurnal EduHealth, vol. 13, no. 01, Sep. 2022.