BARRENO LAYEDRA, Norma del Pilar; 						ROMÁN VARGAS, Wilson Marcelo; 						OLALLA PILCO, Juan Miguel.
 Free mathematical software and its incidence in the learning  differential calculum.
<strong>mktDESCUBRE</strong>, [S.l.], v. 1, n. 10, p. 103 - 110, dec. 2017.
ISSN 2602-8522.
Available at: &lt;<a href="http://revistas.espoch.edu.ec/index.php/mktdescubre/article/view/147" target="_new">http://revistas.espoch.edu.ec/index.php/mktdescubre/article/view/147</a>&gt;. Date accessed: 17 may 2024.