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), pp. 2967–2978. doi: 10.55681/armada.v4i7.3078.