Hasugian, M., and S. Rezeki. “PENGARUH KUALITAS PRODUK DAN PROMOSI TERHADAP KEPUTUSAN PEMBELIAN TAHU DI UD LIRA”. IKRAITH-EKONOMIKA, Vol. 8, no. 2, July 2025, pp. 1817-26, https://journals.upi-yai.ac.id/index.php/IKRAITH-EKONOMIKA/article/view/5684.