@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 = { - },

}