Wiratmoko, D., T. Sabrina, B. Minasny, and Z. Nasution. “Optimization of Leaf Nutrient Mapping in Oil Palm A Geospatial Comparison for Site-Specific Managemen”. International Journal of Geoinformatics, vol. 21, no. 9, Oct. 2025, pp. 81-101, doi:10.52939/ijg.v21i9.4447.