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Ummah, Siti Wahidatul (2026) Analisis pengaruh customer relationship management terhadap loyalitas orang tua murid Raudhatul Athfal: Penelitian di Raudhatul Athfal [RA] Se-Kecamatan Panyileukan. Sarjana thesis, UIN Sunan Gunung Djati Bandung.