@base . a , , ; , , ; "Parana Journal of Science and Education." ; ; ; "2447-6153" ; ; "2447-6153" ; ; "2447-6153" ; "Parana Journal of Science and Education" , "Parana Journal of Science and Education." ; ; "https://sites.google.com/site/pjsciencea/" . . a ; "2447-6153" ; . a ; . a ; ; "20210207004500.0"^^ ; ; . "Brazil" . a ; "2447-6153" ; . a , ; "Parana Journal of Science and Education" . a .