Analisis Karaterisasi Konsentrasi dan Komposisi Partikulat Udara (Studi Case : Surabaya). Jurnal Kimia Valensi, [S. l.], v. 2, n. 2, p. 97–103, 2016. DOI: 10.15408/jkv.v2i2.3602. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/3602. Acesso em: 30 nov. 2025.