“Analisis Reduksi Emisi Gas Kendaraan Bermotor Menggunakan Adsorben Berbasis Biomassa Limbah Tempurung Siwalan”. Jurnal Serambi Engineering 11, no. 1 (January 1, 2026). Accessed April 29, 2026. https://jse.serambimekkah.id/index.php/jse/article/view/1418.