@base . a , ; "Journal of Science Learning (Online)" . a ; "2614-6568" ; . a , , ; , , ; "Journal of Science Learning." ; ; ; "2614-6568" ; ; "2614-6568" ; ; "2614-6568" ; "Journal of Science Learning (Online)" , "Journal of Science Learning." ; ; "http://ejournal.upi.edu/index.php/jslearning/" . a ; "2614-6568" ; . . a ; . a ; ; "20210207014600.0"^^ ; ; . "Indonesia" . a .