Amasya Seraya Tanod and ramadhani, dian puteri 2026. Analisis E – Satisfaction Aplikasi Alfagift Menggunakan Text Classification Dan Topic Modeling Customer Satisfaction Analysis Of The Alfagift Aplication Using Text Classification And Topic Modeling. Journal of Indonesia Business Research (JIBR). 4, 1 (Jul. 2026). DOI:https://doi.org/10.25124/jibr.v4i1.10947.