KUSMININGRUM, Nanny. PERANAN TANAMAN SEMAK DALAM UPAYA MENGURANGI POLUTAN NOx DAN CO. Jurnal Jalan Jembatan, [S. l.], v. 24, n. 3, p. 12, 2018. Disponível em: https://binamarga.pu.go.id/jurnal/index.php/jurnaljalanjembatan/article/view/418. Acesso em: 6 may. 2025.