Nada F, Herlina N. Analysis of drought index and its relationship with Rose (Rosa sp.) productivity in Batu City, East Java. J. Lahan Suboptimal [Internet]. 2026 Oct. 1 [cited 2026 Oct. 23];15(2):154–159. Available from: https://jlsuboptimal.unsri.ac.id/index.php/jlso/article/view/822