DR. ARVIND KUMAR. EXPLORING THE CHALLENGES FACED BY MATHEMATICS TEACHERS DURING THE TRANSITION FROM PRIMARY TO UPPER-PRIMARY LEVELS: A STUDY OF TEACHERS’ PERCEPTION. Journal of the Oriental Institute, ISSN:0030-5324 UGC CARE Group 1, [S. l.], v. 74, n. 3, p. 188–203, 2025. DOI: 10.8224/journaloi.v74i3.959. Disponível em: https://journaloi.com/index.php/JOI/article/view/959. Acesso em: 28 dec. 2025.