HARIKRISHNAN, AR; JISHNU; LENEESH N, Gopal; JOSE, Arun. Improved system for Butterfly Valve. International Journal of Computer Sciences and Engineering, [S. l.], v. 5, n. 4, p. 144–148, 2025. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/1432. Acesso em: 2 feb. 2026.