Barinas G, Cañada F, Costillo E, Amórtegui E. Validation of an instrument of beliefs about school natural sciences in primary education. Prax. saber [Internet]. 2022 Dec. 30 [cited 2024 Jun. 30];13(35):e14147 . Available from: https://revistas.uptc.edu.co/index.php/praxis_saber/article/view/14147