MATHEW, REENA, SHEEJA K RAJ, NIMMY JOSE, and LEENAKUMARY S. 2013. “Comparative Efficacy of Penoxsulam and Pyrazosulfuron Ethyl for Weed Control in Direct - Seeded Puddle Rice (Oryza Sativa)”. The Indian Journal of Agricultural Sciences 83 (12). https://epubs.icar.org.in/index.php/IJAgS/article/view/35977.