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 (Jul. 2026), 2967–2978. DOI:https://doi.org/10.55681/armada.v4i7.3078.