Alvin Julian Herlambang. Pengaruh Kualitas Produk Terhadap Kepuasan Pelanggan Daviena Skincare Di Zahra Beauty Surabaya. optimal [Internet]. 2023 Dec. 30 [cited 2025 Aug. 13];3(4):59-64. Available from: https://researchhub.id/index.php/optimal/article/view/2296