Rumbiati, Dharmaraga Alkahfi, B., & Faisal Adi Negara, I. (2025). Perceived Risk on Online Shopping in South Sumatera: Persepsi Risiko dalam Pembelian Online di Sumatera Selatan. Jurnal Optimis, 1(1), 10–18. https://doi.org/10.66996/jop.v1i1.2