SAHARANI, A.; INDAYANI, L. The Influence of Product Quality, Price and Promotion on Purchase Decisions of Cosmetic Products in Sidoarjo: Pengaruh Kualitas Produk, Harga Dan Promosi Terhadap Keputusan Pembelian Produk Kosmetik di Sidoarjo. Indonesian Journal of Innovation Studies, [S. l.], v. 21, p. 10.21070/ijins.v21i.778, 2023. DOI: 10.21070/ijins.v21i.778. Disponível em: https://ijins.umsida.ac.id/index.php/ijins/article/view/778. Acesso em: 24 jun. 2025.