Rudy 2021. INTEGRATED MOBIL LEARNING APROCACH: ESTABLISING A NEW ATKP SURABAYA,S LEARNING CULTURE AND SYSTEM. Langit Biru: Jurnal Ilmiah Aviasi. 6, 14 (Mar. 2021), 65 - 70. DOI:https://doi.org/10.54147/langitbiru.v6i14.459.