Rianosa, R., Hartal, H., & Setyowati, S. (2020). Effectiveness of the Ageratum (Ageratum conyzoides) Leaf Extract as Botanical Fungicide Against Twisted Disease of Shallot. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, 9(1), 1–10. https://doi.org/10.33230/JLSO.9.1.2020.436