MIHAI, I. Callisthenic Productivity. A Challenge for the Traditional Economic Productivity Indicators. Logos Universality Mentality Education Novelty: Economics & Administrative Sciences, [S. l.], v. 6, n. 1, p. 01-19, 2021. DOI: 10.18662/lumeneas/6.1/25. Disponível em: https://www.lumenpublishing.com/journals/index.php/lumeneas/article/view/5112. Acesso em: 9 nov. 2026.