Widiyatmoko, E.W. , Christiani Yasmine, Indrabayu and Handoko, Y.A. 2019. Efektivitas Antagonisme Trichoderma virens Terhadap Fitopatogen Phytophthora palmivora Pada Tanaman Kakao (Theobroma cacao L.). Jurnal Online Pertanian Tropik. 6, 1 (Dec. 2019), 101–107. DOI:https://doi.org/10.32734/jopt.v6i1.3046.