Siska L. Pengaruh Harga, Promosi, Orang dan Proses Terhadap Loyalitas Pelanggan (Studi Kausal Pt Kintetsu World Express Indonesia - Jakarta). JSA [Internet]. 2025Feb.24 [cited 2026Jun.6];6(2):1014-33. Available from: https://www.jurnalsyntaxadmiration.com/index.php/jurnal/article/view/2101