SHARMA, BRAJESH KUMAR; NARAYANA, U. L.; SUBRAMANIAM, K. B. EFFECT OF ACTIVITY-BASED TEACHING-LEARNING STRATEGY ON STUDENTS’ ACHIEVEMENT IN MATHEMATICS. THE PRIMARY TEACHER, [S. l.], v. 38, n. 3-4, p. p.71–78, 2013. Disponível em: http://ejournals.ncert.gov.in/index.php/tpt/article/view/965. Acesso em: 19 aug. 2025.