ESTHER, S.; JOHASSAN, D. M. PROSES PERSONAL SELLING PRODUK INDUSTRI PERTANIAN PT. RUMAH BIO INDONESIA. Jurnal Komunikasi dan Bisnis, Sunter, Jakarta, v. 7, n. 1, 2019. Disponível em: https://jurnal.kwikkiangie.ac.id/index.php/JKB/article/view/614. Acesso em: 15 apr. 2026.