Roland Schroeder (2004). "Interactive Info Graphics in Europe-- added value to online mass media: a preliminary survey". Journalism Studies. 5 (4): 563–570. doi:10.1080/14616700412331296473. S2CID144687383.
Roland Schroeder (2004). "Interactive Info Graphics in Europe-- added value to online mass media: a preliminary survey". Journalism Studies. 5 (4): 563–570. doi:10.1080/14616700412331296473. S2CID144687383.