SITINJAK, Wahyunita; LUBIS, Zulkarnain; SIBUEA, Muhammad Buhari; SARAGIH, Jef Rudiantho; AULIA, Muhammad Reza; SIBUEA, Faiz Ahmad. Market Integration and Price Transmission of Robusta Coffee in North Sumatra Province with the World Market. Agro Bali : Agricultural Journal, [S. l.], v. 9, n. 2, p. 517–530, 2026. DOI: 10.37637/ab.v9i2.2849. Disponível em: https://www.ejournal.unipas.ac.id/index.php/Agro/article/view/2849. Acesso em: 21 oct. 2026.