IRDHIANSYAH, R.; AMRI, S. Analisis PM2.5 di Wilayah Sumatera Utara (Studi Kasus: Agustus 2015 dan Agustus 2021) PM2.5. INDONESIAN JOURNAL OF CHEMICAL RESEARCH, [S. l.], v. 7, n. 2, p. 1–8, 2023. DOI: 10.20885/ijcr.vol7.iss2.art1. Disponível em: https://journal.uii.ac.id/chemical/article/view/25631. Acesso em: 21 nov. 2024.