Validating the early numeracy teacher rating scale for preschoolers (TRS–EN).Published in:European Early Childhood Education Research Journal, 2023, v. 31, n. 2, p. 205, doi. 10.1080/1350293X.2022.2081350By:Vessonen, Terhi;Widlund, Anna;Hakkarainen, Airi;Aunio, PirjoPublication type:Article
Differential Effects of Virtual and Concrete Manipulatives in a Fraction Intervention on Fourth and Fifth Grade Students' Fraction Skills.Published in:Investigations in Mathematics Learning, 2021, v. 13, n. 4, p. 323, doi. 10.1080/19477503.2021.1982586By:Vessonen, Terhi;Hakkarainen, Airi;Väisänen, Eija;Laine, Anu;Aunio, Pirjo;Gagnon, Joseph CalvinPublication type:Article