“PENGARUH PELAYANAN CUSTOMER SERVICE DIGITAL DAN TRACKING SYSTEM TERHADAP KEPUASAN PELANGGAN PT SINAR MATAHARI EXPRESS”. Musytari : Jurnal Manajemen, Akuntansi, Dan Ekonomi, vol. 24, no. 11, Oct. 2025, pp. 1231-40, https://cibjournal.com/index.php/musytari/article/view/690.