ZAINUDDIN, Madihatun; ABDULLAH, Adila; SABRI, Mohamad Dininazmi; AZEMI, Azwanis; SYED ISMAIL, Sharifah Hayaati. Piagam Pelanggan: Konsep dan Kepentingan Perlaksanaannya dalam Organisasi Menurut Perspektif Islam. Jurnal Evolusi , [S. l.], v. 3, n. 1, 2022. DOI: 10.61688/jev.v3i1.33. Disponível em: https://journal.uptm.edu.my/index.php/evolusi/article/view/33. Acesso em: 11 oct. 2025.