Dyah Saputri, D., and A. W. A. Utami. “The Potency of Purple Sweet Potato (Ipomoea Batatas) Leaf Extract As Biofungicide for Controlling Fusarium Rot on Chili”. Journal of Agriculture and Applied Biology, Vol. 1, no. 1, June 2020, pp. 1-8, doi:10.11594/jaab.01.01.01.