M. Puspitasari, Devy, and Risma Herdian. “Pengaruh Kualitas Produk, Diskon Harga, Dan Promosi Terhadap Keputusan Pembelian”. Fair Value: Jurnal Ilmiah Akuntansi dan Keuangan 5, no. 6 (January 25, 2023): 2723–2730. Accessed July 22, 2024. https://journal.ikopin.ac.id/index.php/fairvalue/article/view/2852.