OPTIMALISASI LAYANAN HAJI DAN UMRAH MENGGUNAKAN AUTO REPLY WHATSAPP BUSINNES DI KEMENTERIAN AGAMA KABUPATEN KUANTAN SINGINGI. Mandala Bakti (Jurnal Pengabdian kepada Masyarakat), [S. l.], v. 2, n. 1, p. 1–9, 2026. DOI: 10.65359/mandala_bakti.v2i1.82. Disponível em: https://yasiinpublisher.org/index.php/mandalabakti/article/view/82. Acesso em: 22 jan. 2026.