Ayu Martina, Edy Suwondo, and Endah Yuniarti, “Analisis Keterlambatan Penyelesaian C-Check (Studi Kasus: Perawatan Boeing 737NG di PT XYZ): Delay Maintenance”, JTKdoc, vol. 8, no. 1, pp. 1 - 6, Jan. 2023.