“The Influence of Consumer Focus, Operational Focus on Business Results of Cafe and Warkop Angkringan Owners in East Java: Pengaruh Fokus Konsumen, Fokus Operasi Terhadap Hasil Bisnis Pemilik Kafe dan Warkop Angkringan di Jawa Timur”, ijler, vol. 17, p. 10.21070/ijler.v17i0.833, Nov. 2022, doi: 10.21070/ijler.v17i0.833.