Gomathinayagam, S, Rekha,G and Lydia Ori. “The use of Trichoderma harzianum as a biological control agent for Sagittaria guayanensis (duckweed) found in rice cultivation by in vitro method” in 51st Caribbean Food Crops Society (CFSC) Annual meeting, Organized by University of Suriname from 19-25th July 2015. Paramaribo, Suriname. Request to read at: https://uglibrary.uog.edu.gy/contact-us