Mendonça Campos, Tânia Maria, Sandra Maria Pinto Magina, Irene Mauricio Cazorla, and Eurivalda Ribeiro dos Santos Santana. “ADDITIVE STRUCTURES IN THE FIRST GRADES OF BASIC EDUCATION: A DIAGNOSTIC STUDY IN DIFFERENTE CONTEXTS”. Revista Latinoamericana de Investigación en Matemática Educativa 10, no. 2 (June 7, 2007): 219–239. Accessed October 9, 2026. https://relime.org/index.php/relime/article/view/413.