SYEDA HIJAB ZEHRA; SAID AKBAR KHAN; SAAD ALI; SYEDA MAHNOOR ZEHRA. Appraisement and categorization of compostable and non-compostable plastic bags using HHXRF spectrophotometer, A study on brands in Islamabad. NUST Journal of Natural Sciences, [S. l.], v. 9, n. 3, p. 49–62, 2024. DOI: 10.53992/njns.v9i3.196. Disponível em: https://njns.nust.edu.pk/index.php/njns/article/view/196. Acesso em: 27 sep. 2024.