págs. 1-1
Business management: a look from productivity and competitiveness
págs. 1-1
págs. 3-3
Development of Intellectual Skills in the Teacher of the First Cycle of Primary Education
Eudaldo Enrique Espinoza Freire, Lázara Herrera Martínez, Verónica Jacqueline Guamán Gómez
págs. 4-4
págs. 5-5
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