Nugroho B, Sukmono RA. The Influence of Consumer Focus, Operational Focus on Business Results of Cafe and Warkop Angkringan Owners in East Java. ijler [Internet]. 2022Nov.14 [cited 2024Dec.22];170:10.21070/ijler.v17i0.833. Available from: https://ijler.umsida.ac.id/index.php/ijler/article/view/833