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Irianingtyas R, Eka Nur Rahmania N, Setya Maryiantari E. EFFORTS TO IMPROVE MASK USE AS A PREVENTIVE MEASURE AGAINST RESPIRATORY INFECTIONS AMONG WORKERS AT THE OPAK GADUNG FACTORY IN KEDIRI REGENCY . CSJI [Internet]. 2025 Dec. 24 [cited 2026 Jun. 19];7(2):30-6. Available from: https://ejournal-kertacendekia.id/index.php/csji/article/view/869