DR. B. BHARATH NARAYANAN. Introduction of Indian Sign Language (ISL) in Classroom Environments among Teachers and Students in India as per NEP 2020 . Pegem Journal of Education and Instruction, [S. l.], v. 12, n. 1, p. 301–307, 2022. Disponível em: https://pegegog.net/index.php/pegegog/article/view/4449. Acesso em: 20 jan. 2026.