MAHARANI PAHLEVY. STRATEGI PENINGKATAN KUALITAS PELAYANAN JASA OUTSORCING UNTUK PELANGGAN ( STUDI KASUS PT MEGA BERLIAN SUTANPANGULU ). Social Sciences Journal, [S. l.], p. 123–130, 2024. Disponível em: https://journal.pdphi.com/index.php/SSJ/article/view/88. Acesso em: 30 apr. 2026.