Achmad Gunawan, Purwono, LubisI. and WidiartaI. N. (2023) “Effect of nitrogen doses on growth and yield of several varieties of tungro-infected rice plant”, Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy), 51(2), pp. 190-201. doi: 10.24831/ija.v51i2.46091.