@article{paperid:1068741,
author = {Borji, Vahid and Alamolhodaei, Hassan and Radmehr, Farzad},
title = {Application of the APOS-ACE Theory to improve Students’ Graphical Understanding of Derivative},
journal = {Eurasia Journal of Mathematics, Science and Technology Education},
year = {2018},
volume = {14},
number = {7},
month = {May},
issn = {1305-8215},
pages = {2947--2967},
			numpages = {20},
keywords = {teaching and learning; derivative; graphs of functions; tangent at a point of
a graph; APOS theory; genetic decomposition; ACE cycle; Maple software},
}