The influence of palm fronds ash (PA) on some physical properties of polypropylene (PP). Eurasian Journal of Physics,Chemistry and Mathematics, [S. l.], v. 18, p. 72–85, 2023. Disponível em: https://geniusjournals.org/index.php/ejpcm/article/view/4313. Acesso em: 21 jan. 2026.