Gonçalves Gomes Marques, R. and de Avelar Brito Lima, A.P. 2022. THE DIADACTIC CONTRACT IN THE USE OF DIGITAL LEARNING OBJECTS AIMED AT SPATIAL PERCEPTION: CONTINUING TRAINING FOR CHILD EDUCATION TEACHERS IN A VIRTUAL ENVIRONMENT . Revista Paranaense de Educação Matemática. 11, 26 (Dec. 2022), 268–288.