Warning: ini_set(): A session is active. You cannot change the session module's ini settings at this time in /home/revistas/public_html/lib/pkp/classes/session/SessionManager.inc.php on line 69
1.
Lárez-Villaroel JD. SOME OBSTACLES THAT PREVENT THE EFFECTIVE LEARNING OF MATHEMATICS. INVESPOST [Internet]. 2018 Apr. 4 [cited 2026 Nov. 3];33(1):53-74. Available from: http://www.revistas.upel.edu.ve/index.php/investigacionypostgrado/article/view/2825