Vas J Ángel C, Andrade MGM, Masa JA, Vasco y JRM. USE OF A JUST IN TIME TEACHING / FLIPPED CLASSROOM QUESTIONNAIRE FOR THE DETECTION OF IMPROVEMENTS IN UNIVERSITY EDUCATIONAL MATERIALS. er [Internet]. 2017Mar.31 [cited 2024Dec.4];2(3):142-61. Available from: http://467182.nmy9asj5x.asia/index.php/er/article/view/159