HARAHAP, Evi Syuriani; SILABAN, Adventi; SITANGGANG, Destri Rosmailin; TARIGAN, Meiya Catherine Fedora. Analysis of Market Failure in Karo Regency: A Study of Karo Tomato Farmers. J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 5, n. 4, p. 824–835, 2026. DOI: 10.56799/j-ceki.v5i4.16556. Disponível em: https://al-haramjournal.co.id/J-CEKI/article/view/16556. Acesso em: 6 aug. 2026.