Mäkinen, Ilkka. “Is Rolf Engelsig’s Theory of Intensive and Extensive Reading True, False or Something Else? (translated from English by A. Navickienė)”. Knygotyra, vol. 35, Dec. 1999, pp. 23-29, https://doi.org/10.15388/Knygotyra.1999.3.