Mina, Usha, Abhai Pratap Singh, and C. K. Varshney. 2009. “Responses of Radish (<i>Raphanus sativus< I> L.) Plants at Different Growth Phases to Ozone Exposure”. Journal of Tropical Agriculture 47 (1):53-57. https://jtropag.kau.in/index.php/ojs2/article/view/204.