DAS, RANJITA. Concept Attainment in Geometry through CLD Model among Class V Students. SCHOOL SCIENCE, [S. l.], v. 45, n. 1, p. p.77–82, 2007. Disponível em: http://ejournals.ncert.gov.in/index.php/SS/article/view/398. Acesso em: 18 aug. 2025.