BodrovaELeongDJ (2007) Tools of the Mind: The Vygotskian Approach to Early Childhood Education. 2nd ed.Upper Saddle River, NJ: Pearson.
2.
CronmillerS (2007) Essential poetry: activating the imagination in the elementary classroom. Journal for Learning through the Arts3(1): 4. DOI: 10.21977/D93110056.
3.
KrashenS (2003) Explorations in Language Acquisition and Use. Portsmouth, NH: Heinemann.