Ovalle-Castiblanco, A. M., & Cárdenas-Aguirre, D. M. (2016). What happened with the application of time and motion study in the last two decades?: Review of the literature. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিOvalle-Castiblanco, Alex Mauricio, এবং Diana María Cárdenas-Aguirre. What Happened with the Application of Time and Motion Study in the Last Two Decades?: Review of the Literature. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2016.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিOvalle-Castiblanco, Alex Mauricio, এবং Diana María Cárdenas-Aguirre. What Happened with the Application of Time and Motion Study in the Last Two Decades?: Review of the Literature. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2016.