INQUILLA-MAMANI, Dr. Juan; CUTIPA, Dr. Gilberto Vilca -. Servqual model for the evaluation of the perceived quality of social program services - FISE in the Puno region. International Journal of English Literature and Social Sciences (IJELS), [S. l.], v. 4, n. 3, 2019. Disponível em: https://journal-repository.com/index.php/ijels/article/view/735.. Acesso em: 3 jul. 2024.