Tammelin-Laine, Taina, Minna Bogdanoff, Heidi Vaarala, Sanna Mustonen, and Katarzyna Karkkainen. 2021. “‘Getting a Grip on Basic Skills’. Toward Professional Development of LESLLA Teachers”. LESLLA Symposium Proceedings 14 (1):471-88. https://lesllasp.journals.publicknowledgeproject.org/index.php/lesllasp/article/view/6270.