Del Valle Grisales, Liliana María, and Luz Stella Mejía Aristizábal. 2016. “Development of Scientific Skills in Early Childhood. A Case Study Among Kindergarten Children at Institucion Educativa Villa Flora, Medellín”. Íkala, Revista De Lenguaje Y Cultura 21 (2):217-26. https://doi.org/10.17533/udea.ikala.v21n02a07.