In a nursery, how many tones of blue are there? An exploration around infants, books, Pigments and cirandas. OlharProfr [Internet]. 13 de diciembre de 2019 [citado 30 de mayo de 2026];22:1-14. Disponible en: https://revistas.uepg.br/index.php/olhardeprofessor/article/view/13765