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Ulfa Husna Dhirah, Hasratina I. Relationship Between Work Duration and Work Process with Low Back Pain Among Coffee Farmers. MNJ [Internet]. 2025 Nov. 30 [cited 2026 Feb. 3];6(2):59-68. Available from: https://jurnal.poltekkespalu.ac.id/index.php/MNJ/article/view/4261