REFALDI, A. M. .; PURNAMA, N. Pengaruh Standar Operasional Prosedur (SOP) terhadap Kualitas Pengiriman di J&T Express Kota Yogyakarta. Selekta Manajemen: Jurnal Mahasiswa Bisnis & Manajemen, [S. l.], v. 1, n. 6, p. 101–111, 2022. Disponível em: https://journal.uii.ac.id/selma/article/view/26626. Acesso em: 14 nov. 2024.