Mandal, Palash, et al. “Chemical Phytotoxicity and Use of Ethrel As Ripening Agent on Productivity and Quality of Tomato (Lycopersicon Esculentum)”. The Indian Journal of Agricultural Sciences, vol. 78, no. 7, July 2008, https://epubs.icar.org.in/index.php/IJAgS/article/view/9823.