@article{paperid:1067871,
author = {Borji, Vahid and  and Alamolhodaei, Hassan and },
title = {Application of the Complementarities of Two Theories, APOS and OSA, for the Analysis of the University Students’ Understanding on the Graph of the Function and its Derivative},
journal = {Eurasia Journal of Mathematics, Science and Technology Education},
year = {2018},
volume = {14},
number = {6},
month = {March},
issn = {1305-8215},
pages = {2301--2315},
			numpages = {14},
keywords = {students’ graphical understanding; the concept of derivative; APOS theory; OSA theory; mathematical object},
}