Risky, Nadia Asna. “Pengaruh Citra Merk, Harga Serta Promosi Terhadap Keputusan Pembelian Di Marketplace Shopee:: Studi Pada Mahasiswa Manajemen Universitas Muhammadiyah Ponorogo”. Indonesian Research Journal on Education 5, no. 1 (January 28, 2025): 1387 –. Accessed October 31, 2026. https://irje.org/irje/article/view/2075.