Chang et al., 1977. Bull. Inst. Chem., Acad. Sin., 24: 19-30 Document reference Chang, S. M. ; Yang, C. C. ; Sung, S. C., 1977. The cultivation and the nutritional value of Lemnaceae. Bull. Inst. Chem., Acad. Sin., 24: 19-30Citation key Chang et al., 1977Datasheets Duckweed