SAHARA, Leni; LUBIS, Junita; RAJA, Muhammad. Pengaruh Kualitas Pelayanan, Kualitas Produk, Harga Dan Promosi Terhadap Keputusan Pembelian (Studi Kasus Klinik Dr Dila Scincare Di Pekan Tolan). J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 4, n. 3, p. 3123–3135, 2025. DOI: 10.56799/jceki.v4i3.8928. Disponível em: https://al-haramjournal.id/J-CEKI/article/view/8928. Acesso em: 26 jul. 2026.