Gaol, Eyleen Yerada Lumban (2021) PROSES PENGAMBILAN KEPUTUSAN PEMBELIAN PRODUK SKINCARE JENIS ESSENCE (Studi Deskriptif Kualitatif terhadap Proses Pengambilan Keputusan dalam Membeli Produk Perfect Hydrating Treatment Essence Avoskin di Kalangan Member Female Daily App). S1 thesis, Universitas Atma Jaya Yogyakarta.