„Analisis Pengaruh Kualitas Produk, Harga dan Promosi terhadap Keputusan Pembelian Battery Sepeda Motor ”. INVEST : Jurnal Inovasi Bisnis dan Akuntansi 1, no. 1 (septembrie 17, 2020): 27–37. Data accesării iulie 30, 2026. https://journal.al-matani.com/index.php/invest/article/view/18.