%T A practical framework for real life webshop sales promotion targeting %P 625-632 %I szte %R MTMT:32725466 10.31449/inf.v45i4.3066 %A KĹrĂśsi GĂĄbor %A VinkĂł TamĂĄs %N 4 %V 45 %D 2021 %J INFORMATICA-JOURNAL OF COMPUTING AND INFORMATICS %L publicatio23820