Nariyana, C. D., Idhom, M. and Trimono, T. (2025) “Prediction of Purchase Volume Coffee Shops in Surabaya Using Catboost with Leave-One-Out Cross Validation”, Jurnal Ilmiah Teknik Elektro Komputer dan Informatika, 11(1), pp. 124–138. doi: 10.26555/jiteki.v11i1.30610.