Pakpahan IF, Nugroho N. Analisis Pengaruh Harga Dan Promosi Terhadap Volume Penjualan pada PT. Metro Artha Prakarsa. prosainteks [Internet]. 2025Jul.6 [cited 2026Aug.28];3(1):74-80. Available from: https://sainteks.seminars.id/prosainteks/article/view/440