VASUMATHI, G. A New Trend in Pneumatic Drilling Machine. International Journal of Psychosocial Rehabilitation, [S. l.], v. 22, n. 4, p. 176–180, 2018. DOI: 10.61841/16n7qs41. Disponível em: https://www.psychosocial.com/index.php/ijpr/article/view/9484. Acesso em: 5 feb. 2026.