Setiawan, Indra, et al. “THE EFFECT OF FLIGHT OPERATION COMMERCIAL AND TECHNICAL DELAY ON ON-TIME PERFORMANCE OF PT GARUDA INDONESIA”. Jurnal Manajemen Bisnis Transportasi Dan Logistik, vol. 4, no. 3, May 2018, pp. 303-16, doi:10.54324/j.mbtl.v4i3.825.