Sari, F. K., D. D. J. Mulyati, MM, and D. A. Pujianto, M.M. “Pengaruh Diferensiasi Produk, Cita Rasa Dan Persepsi Harga Terhadapa Keputusan Pembelian Makaroni Ngehe Di Surabaya”. Research Journal of Social Science and Economics, vol. 1, no. 3, Sept. 2025, pp. 1033-40, https://jurnal.untag-sby.ac.id/index.php/rejosse/article/view/9085.