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Essi Laura Amanda, Sarah Desnita Manihuruk, Lidya Vanya F. Sihombing, Gebatania Pakpahan, Rouli P. Simanjuntak, Nasrullah Hidayat. Analisis Kelayakan Finansial Investasi Usaha Laundry: Pendekatan NPV, IRR, dan Payback Period: Penelitian . JERKIN [Internet]. 2026 Oct. 28 [cited 2026 Oct. 28];5(2):4892-90. Available from: https://jerkin.org/index.php/jerkin/article/view/8157