Hanudin, Hanudin, Kurniawan Budiarto, and Budi Marwoto. 2014. “Identification of Ralstonia Solanacearum Isolated from a New Host : Cosmos Caudatus in Indonesia”. BIOTROPIA 21 (1):25-37. https://doi.org/10.11598/btb.2014.21.1.340.