@base . a , ; "Indonesian Journal Of Teaching In Science (Online)" . a , , ; , , ; "Indonesian Journal Of Teaching In Science." ; ; ; ; "2776-6101" ; ; ; "2776-6101" ; ; "2776-6101" ; "Indonesian Journal Of Teaching In Science (Online)" , "Indonesian Journal Of Teaching In Science." ; ; "https://ejournal.upi.edu/index.php/IJoTis/index" . . a ; "2776-6101" ; . a ; . a ; "2776-6101" ; . "Indonesia" . a ; ; "20210515181900.0"^^ ; ; . a .