Tsan, Fui Ying, Weed science : field and laboratory manual / Tsan Fui Ying [and four others]. - 28 pages : illustrations ; 27 cm. References : page [27]-28. ISBN: 9789673634552 (paperback) RM11.76 9673634556 (paperback) Subjects--Topical Terms: Weeds.Herbicides.