SOYANGCO, Philippe R.; RIVA, Ma. Reinadel D.; NARSICO, Peter G.; NIERE, Marvin Ian E.; NARSICO, Lalaine O. Optimizing Call Center Productivity through Key Work Environment Factors. International Journal of Multidisciplinary: Applied Business and Education Research, Malang, Indonesia, v. 5, n. 11, p. 4759–4787, 2024. DOI: 10.11594/ijmaber.05.11.36. Disponível em: https://ijmaberjournal.org/index.php/ijmaber/article/view/2045. Acesso em: 11 feb. 2026.