The certification of technical knowledge and work trajectories within the framework of the Certification of Trades Program of the National Technological University - Delta Regional College. RIII [Internet]. 2021 Aug. 4 [cited 2026 Jun. 5];2(3):42-59. Available from: https://riii.fi.mdp.edu.ar/index.php/AACINI-RIII/article/view/23