L. Rusman, Y. F. Sibay, and H. . Ariwijaya, “Pengaruh Kualitas Produk Gula Merah Ampera Terhadap Keputusan Pembelian Konsumen Di Kecamatan Pagimana: Effect Of The Quality Of Ampera Brown Sugar Products On Consumer Purchasing Decisions In Pagimana Subdistrict”, Jurnal Ilmiah Produktif, vol. 9, no. 1, pp. 15–19, Jan. 2023.