GUMILANG, I. ANALISIS PENGARUH PROMOSI TERHADAP PENINGKATAN LABA PERUSAHAAN PADA PT.DAESUNG ELTEC INDONESIA. Commerce Jurnal Ilmiah, [S. l.], v. 4, n. 1, p. 51–67, 2016. Disponível em: https://jurnal.pis.ac.id/index.php/commerce/article/view/69. Acesso em: 29 jan. 2026.