@base . a ; ; "20210206233900.0"^^ ; ; . a . a ; "1947-8518" ; . "Pennsylvania" . a , ; "International journal of virtual and personal learning environments (Print)" . a , , ; , , ; "International journal of virtual and personal learning environments." ; ; ; ; "1947-8518" ; ; ; "1947-8518" ; ; "1947-8518" ; "International journal of virtual and personal learning environments (Print)" , "International journal of virtual and personal learning environments." ; ; "http://www.infosci-journals.com" . . a ; . a ; "1947-8518" ; .