Proposing a Comprehensive Training Needs Approach for the Communication Skills Training of Security Guards. LSP International Journal, [S. l.], v. 4, n. 2, 2018. DOI: 10.11113/lspi.v4n2.51. Disponível em: https://journals.utm.my/lsp/article/view/15217.. Acesso em: 7 may. 2024.