Chandrasena, N R and Rao, A N (2017) Commemorating 50 Years (1967-2017) 50th Anniversary Celebratory Volume, Asian-Pacific Weed Science Society (APWSS); Indian Society of Weed Science (ISWS), India and The Weed Science Society of Japan (WSSJ). Asian-Pacific Weed Science Society (APWSS), Hyderabad. ISBN 978-81-931978-5-1