dandi, B., & Rudy Santosa. (2023). Analisis Kinerja Operasional Bus Ekonomi Jurusan Surabaya - Malang : ANALYSIS OF THE OPERATIONAL PERFORMANCE OF ECONOMIC BUS DEPARTMENT OF SURABAYA - MALANG. CONCRETE: Construction and Civil Integration Technology, 1(01), 53-59. https://doi.org/10.25139/concrete.v1i01.6165