Jukka Lemmetty is a Finnish author and illustrator of children's books, textbooks, and reference books.[1]
- ^ "Aino Havukainen & Sami Toivonen -Tatun ja Patun avaruusseikkailu Hannele Huovi & Jukka Lemmetty - Urpo ja Turpo avaruudessa" (in Finnish). Keskisuomalainen. 29 November 2011. Archived from the original on 25 May 2012. Retrieved 10 December 2011.