Hanesti, E.M. et al. 2025. Analisis Penerapan Customer Relationship Management pada Sistem Portal Pengguna Jasa Cukai Etil Alkohol di KPPBC TMP B Sidoarjo. Sustainability and Social Impact. 2, 1 (Feb. 2025), 1–4. DOI:https://doi.org/10.64849/ssi.v2i1.35.