Villanueva, Xabier. Young children's drawings of plant world : a cohort study analysing pictorial content / Xabier Villanueva, José Domingo Villaroel, and Alvaro Antón - United Kingdom, Taylor & Francis Group, June 2021. - volume 55, pages 225-237, illustration. Subjects--Topical Terms: Education. Drawing. Biology. Dewey Class. No.: DPer 570 J826 2021 v55 no. 1-5