DIENGO, A.; ASTILLERO, J. . English Enhancement Training Program for Employees: Basis for a Guidebook on Employees’ Enrichment of Communication Skills. International Journal on Integrated Education, [S. l.], v. 9, n. 2, p. 240–245, 2026. DOI: 10.31149/ijie.v9i2.5673. Disponível em: https://journals.researchparks.org/index.php/IJIE/article/view/5673. Acesso em: 16 oct. 2026.