Rukmana, Indra Heri. “Pengaruh Kualitas Produk, Kualitas Pelayanan Dan Persepsi Harga Terhadap Kepuasaan Pelanggan Larut Coffe”. J-CEKI : Jurnal Cendekia Ilmiah 3, no. 1 (December 28, 2023): 402–410. Accessed August 6, 2026. https://al-haramjournal.co.id/J-CEKI/article/view/2730.