Riki Kurniawan Barus, Junaidi, and Nurliana. 2026. “Dominant Pathogens Causing Leaf Spot Disease in Oil Palm Plants That Have Not Yet Produced (TBM) Using A Visual Approach and Control Strategy Recommendations”. ARMADA : Jurnal Penelitian Multidisiplin 4 (7):2967-78. https://doi.org/10.55681/armada.v4i7.3078.