19-segi sang, hach'ŭng sosŏl ŭi chŏpchŏm kwa munhwajŏk ŭimiYe-jun Chang · First published 2016Open the Tome
Measurement and modeling of the efficiency of constructed wetlands in removing lead and zinc from neutral pH mine drainageChang Ye · First published 2006Open the Tome
Shanghai 50 xing lun shi tuo la ji ling jian tu ceShanghai nong ye yao xie chang · First published 1974Open the Tome