D. C. Siagian, I. Safni, and Lisnawita, “Prevalence and Incidence of Bacterial Wilt Disease (Ralstonia syzygii subsp. indonesiensis) on Tomato in Simpang Empat District Karo”, Indonesian J. Agric. Res, vol. 5, no. 3, pp. 210–218, Jun. 2023.