1.
Raudhah, Aridah.A. Geospatial Analysis of Nitrogen Efficiency: Correlating Subsidized Urea Distribution with National Rice and Maize Productivity Across Provinces. J.CJ [Internet]. 2025 Dec. 25 [cited 2026 Jul. 27];2(2):12-24. Available from: http://heijournal.id/index.php/cj/article/view/134