Gomathinayagam, S and G. Rekha “Biological control of rice disease (Blast) by using Trichoderma harzianum in in vitro condition” Research Conference Organized by Ministry of Agriculture, Guyana from October 20-22nd 2014, Guyana International Conference Centre, Georgetown, Guyana, South America. Request to read at: https://uglibrary.uog.edu.gy/contact-us