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Taipe Yugcha LJ, Quinatoa Lema EJ. Comparison of original and generic piston in manufacturing. Case study: Cummins N14 430 HP. CONECTIVIDAD [Internet]. 2025 Jan. 23 [cited 2026 Nov. 7];6(1):184-9. Available from: http://200.63.107.229/ojs/index.php/ISTER/article/view/224