TRAN HUU QUYET 2026. COFFEE LEAF DISEASE CLASSIFICATION USING THREE LIGHTWEIGHT DEEP LEARNING MODELS: ROBUSTNESS EVALUATION AGAINST IMAGE DEGRADATION AND GRAD-CAM VISUALIZATION. SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY. 12, 2 (tháng 7 2026). DOI:https://doi.org/10.51453/3093-3706/2026/1478.