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Analisis Kelayakan Usaha Burger pada UMKM Burger Pelangi di Payakumang Kabupaten Ketapang. JAA [Internet]. 2026 Jun. 19 [cited 2026 Jun. 23];5(1):81-5. Available from: https://journal.isas.or.id/index.php/JAA/article/view/1572