NURKARIANI, N. L.; OSELA, P. Y. S. The Marketing 4.0 Strategy for Laying Duck Farmers in Padangbulia Village. INVEST : Jurnal Inovasi Bisnis dan Akuntansi, [S. l.], v. 6, n. 1, p. 215-222, 2025. DOI: 10.55583/invest.v6i1.966. Disponível em: http://journal.al-matani.com/index.php/invest/article/view/966. Acesso em: 31 jul. 2025.