@ARTICLE {28368,
author={N. L. Martins and F. Martins and J. B. Lopes and J.  Cravino and C.  Costa},
doi={10.1007/978-3-030-20954-4_23},
journal={Communications in Computer and Information Science},
title={The Use of Applets in Understanding Fundamental Mathematical Concepts in Initial Teacher’s Training},
year={2019},
month={May},
volume={993},
number={1},
pages={307-318},
ISSN={1865-0929}
}