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Lestari Maria Esterlina Silalahi; Apriani Sijabat; Ady Frenly Simanullang. THE EFFECT OF THE ULOS LEARNING MODEL ON CRITICAL THINKING SKILLS OF GRADE XI SMA NEGERI 2 PEMATANGSIANTAR IN THE 2025 2026 ACADEMIC YEAR. IJSET 2025, 4, 3795-3802.