Ellen Rumintang, et al. “The Effect of Sales Visits and Customer Awareness Through Relationship Marketing on Business Partners’ Intention to Collaborate With PT Pelabuhan Tanjung Priok”. Jurnal Ekonomi Manajemen Sistem Informasi, vol. 7, no. 2, Nov. 2025, pp. 1210-9, doi:10.38035/jemsi.v7i2.6745.