HERWANTO, H. PENGARUH KUALITAS PRODUK, HARGA, DAN PROMOSI TERHADAP KEPUTUSAN PEMBELIAN BISKUIT MEREK OREO DI KOTA PEKANBARU. Indonesian Journal of Economy and Education Economy , [S. l.], v. 2, n. 1, p. 250–263, 2024. Disponível em: https://jurnal.academiacenter.org/index.php/IJEN/article/view/279. Acesso em: 16 sep. 2024.