MR. JAYNT KHADE; MR. HARIDAS K. 360-DEGREE FLEXIBLE DRILLING MACHINE. International Engineering Journal For Research & Development, [S. l.], v. 2, n. 5, p. 3, 2016. Disponível em: https://iejrd.com/index.php/iejrd/article/view/578. Acesso em: 8 may. 2026.