Nada, Fariz, and Ninuk Herlina. 2026. “Analysis of Drought Index and Its Relationship With Rose (Rosa sp.) Productivity in Batu City, East Java”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 15 (2):154–159. https://doi.org/10.36706/jlso.15.2.2026.822.