Al-Hasani, S. R. ., & Yudhiasta, S. . (2024). Pengaruh Kualitas Pelayanan dan Relationship Marketing terhadap Loyalitas Pelanggan Swantastic Pro Event & Travel Organizer. JIIP - Jurnal Ilmiah Ilmu Pendidikan, 7(9), 9775-9780. https://doi.org/10.54371/jiip.v7i9.5891