SINGGIH, M. L.; PRASETYO, P. D. Analisis Produktivitas Kegiatan Promosi terhadap Brand Awareness Isp X. Jurnal Teknik Industri, [S. l.], v. 9, n. 1, p. 1–7, 2009. DOI: 10.22219/JTIUMM.Vol9.No1.1-7. Disponível em: https://ejournal.umm.ac.id/index.php/industri/article/view/6115. Acesso em: 4 jul. 2024.