RECYCLING WASTE POLYETHYLENE MATERIALS TO USEFUL PRODUCTS VIA PYROLYSIS. International Journal of Life Sciences Biotechnology and Pharma Sciences, [S. l.], v. 14, n. 4, p. 59–68, 2018. Disponível em: https://ijlbps.net/index.php/ijlbps/article/view/70. Acesso em: 12 mar. 2026.