डॉ मनीष डंगवाल. नाद व ध्वनि विज्ञान. International Educational Applied Scientific Research Journal, [S. l.], v. 8, n. 4, 2023. Disponível em: https://ieasrj.com/journals/index.php/ieasrj/article/view/626. Acesso em: 13 oct. 2026.