ISLAM, M.; ASHRAF, M.; SATTAR, M. Bio-Monitoring Study on Tropospheric Ozone Using White Clover at Bangladesh Agricultural University Farming Area. Progressive Agriculture, [S. l.], v. 18, n. 2, p. 215–222, 2014. DOI: 10.3329/pa.v18i2.18243. Disponível em: https://www.banglajol.info/index.php/PA/article/view/18243. Acesso em: 4 jul. 2022.