Groups that use plain language
Estimated size of reader groups
The principles of plain language
Plain Language Centre and cooperation in the field
Articles:
Markus Itkonen: Typography and readability
Heli Numminen: Memory and reading
Hannu Virtanen: Concept book, Selkouutiset and LL-Bladet
Sami Älli & Kimmo Kyyhkynen: Guidelines for the design of a plain language web service