Ridhotillah, A. ., E. W. . Andjariani, and E. Ettyani. “Noni Fermentation As an Effort to Prevent COVID 19 in Sidoarjo, Indonesia: Fermentasi Mengkudu Sebagai Upaya Pencegahan COVID 19 Di Sidoarjo, Indonesia”. Indonesian Journal of Cultural and Community Development, vol. 8, Mar. 2021, p. 10.21070/ijccd2021698, doi:10.21070/ijccd.v8i0.698.