OPTIMASI PENJUALAN GULA AREN DI KABUPATEN LEBAK MENGGUNAKAN METODE SIMPLEKS: (STUDI KASUS UMKM GULA AREN HARIANG). Jurnal Ilmiah Multidisiplin Ilmu, [S. l.], v. 2, n. 4, p. 29–39, 2025. DOI: 10.69714/bnfnsy39. Disponível em: https://journal.smartpublisher.id/index.php/jimi/article/view/881. Acesso em: 22 apr. 2026.