PENGARUH HARGA DAN KUALITAS PRODUK TERHADAP KEPUASAN KONSUMEN (Studi Kasus Pada UMKM Es Kelapa Muda Khas Sumatera Barat di Kisaran). JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 3, p. 5091–5097, 2026. DOI: 10.54314/jssr.v9i3.6750. Disponível em: https://goretanpena.com/jurnal/index.php/JSSR/article/view/6750.. Acesso em: 3 aug. 2026.