Aloatuan, Febiayu, and Centhya Victorin Maitimu. 2020. “Application of Water Hyacinth Liquid Bio-Organic Fertilizer Using Trichoderma Sp Bio-Activator on Growth and Production of Green Mustard Plants (Brassica Rapa Var. Parachinensis)”. Jurnal Biologi Tropis 20 (3):388-95. https://doi.org/10.29303/jbt.v20i3.2058.