COVİD-19’UN SON ADIM TESLİMATA ETKİSİ VE DİJİTAL DÖNÜŞÜM: MÜŞTERİ ŞİKAYETLERİNE İLİŞKİN BİR İÇERİK ANALİZİ (THE EFFECT OF COVID-19 ON THE LAST MILE DELIVERY AND DIGITAL TRANSFORMATION: A CONTENT ANALYSIS OF CUSTOMER COMPLAINTS) - M.Berna ÇAĞLAR KALKAN - | The Journal of Social Sciences