Nuzzaci, A. “Introductory Essay: Promoting and Supporting the Methodological Skills of Teachers and Trainers for the Successful of the Teaching and the Quality of the Training”. Formazione & Insegnamento, vol. 14, no. 3, May 2017, pp. 15-36, https://ojs.pensamultimedia.it/index.php/siref/article/view/2037.