J, N. DESIGN OF BLOW MOULD DIE FOR POLYPROPYLENE BOTTLE WITH MULTIPLE OPENINGS. International Journal of Technical Innovation in Modern Engineering & Science, [S. l.], v. 4, n. 6, p. 945–953, 2021. Disponível em: https://ijtimes.com/index.php/ijtimes/article/view/1820. Acesso em: 22 dec. 2024.