Source: https://www.researchgate.net/profile/Jahir_Lombana/publication/317504146_Training_in_managerial_competencies_A_review_from_the_philosophical_foundations_of_administration/links/5943e58fa6fdccb93ab5a381/Training-in-managerial-competencies-A-review-from-the-philosophical-foundations-of-administration.pdf