Roberto Carlos Torres Peña, Jhon Jairo Feria Diaz and Boris A. Medina Salgado (2023) “THE DIDACTIC UNIT TO PROMOTE THE DEVELOPMENT OF METRIC SPATIAL THINKING IN SIXTH-GRADE STUDENTS”, Journal of Population Therapeutics and Clinical Pharmacology, 30(12), pp. 545–552. doi: 10.53555/jptcp.v30i12.6620.