DARMAWAN, Didit; MARGARETA, Ayu. Product Variety as a Basis for Differentiation and Its Managerial Implications in Wholesalin. EKOMA : Jurnal Ekonomi, Manajemen, Akuntansi, [S. l.], v. 5, n. 4, p. 4129–4146, 2026. DOI: 10.56799/ekoma.v5i4.16114. Disponível em: https://al-haramjournal.co.id/EKOMA/article/view/16114. Acesso em: 12 aug. 2026.