“Analisa Kualitas Lingkungan Udara Ambien (PM2.5) di Kota Surabaya” (2024) Jurnal Serambi Engineering, 9(1), pp. 7978–7985. Available at: https://jse.serambimekkah.id/index.php/jse/article/view/4 (Accessed: 29 March 2025).