U. Kalsum, E. Elvina, and J. Lubis, “Digital Marketing Innovation Triggers Spontaneous Purchases Among University Online Shoppers: Inovasi Pemasaran Digital Memicu Pembelian Spontan Pada Mahasiswa Pembelanja Daring”, ijins, vol. 27, no. 4, p. 10.21070/ijins.v27i4.2264, Aug. 2026.