Ecos Espino AM. OBSTACLES ANDERRORSINLEARNINGOF THE FUNCTIONCONCEPT INTHESTUDENTSOF THE NATIONAL UNIVERSITY OF APURIMA –MICAELA BASTIDAS. RQ [Internet]. 2015Feb.5 [cited 2024Jul.3];7(2):61-70. Available from: https://revistas.unh.edu.pe/index.php/quintaesencia/article/view/73