Manja E, Japina H. Pengaruh Kualitas Pelayanan dan Keragaman Produk terhadap Keputusan Pembelian Konsumen Alfamidi Sirandorung Rantauprapat. Joecy Journal [Internet]. 2026 May 20 [cited 2026 Oct. 12];5(1):26578-8. Available from: https://joecy.org/index.php/joecy/article/view/13545