Students' skills and practices of using ICT: results of a national assessment in Finland. - Kai Hakkarainen; Liisa Ilomäki; Lasse Lipponen; Hanni Muukkonen; Marjaana Rahikainen; Taneli Tuominen; Minna Lakkala; Erno Lehtinen (Comput. Educ., 2000)