M. MANIKANDAN; S. MAHENDIRAN; A.P. SURYA CHANDRAN. Reduction of unforged bar bulb in engine valve manufacturing. International journal of intellectual advancements and research in engineering computations, [S. l.], v. 6, n. 1, p. 475–480, 2018. Disponível em: https://ijiarec.com/ijiarec/article/view/489. Acesso em: 29 apr. 2024.