@Article{ Martín-fernández_RUIZ_Rico-Romero,
author = { Enrique Martín-fernández and JUAN FRANCISCO RUIZ HIDALGO and Luis Rico-Romero } ,
title = { Meaning and Understanding of School Mathematical Concepts by Secondary Students: The Study of Sine and Cosine },
journal = { Eurasia: Journal of Mathematics, Science & Technology Education },
year = { 2019 },
volume = { 15 },
pages = { - },
}