Harwoko, H., J. Lee, G. Daletos, M. Feldbrügge, R. Kalscheuer, and P. Proksch. “Antimicrobial Compound from Trichoderma Harzianum, an Endophytic Fungus Associated With Ginger (Zingiber Officinale)”. JKKI : Jurnal Kedokteran Dan Kesehatan Indonesia, vol. 12, no. 2, Aug. 2021, pp. 151-7, doi:10.20885/JKKI.Vol12.Iss2.art8.