EN中文
The Dynamic Changes of Cultivated Land in Eastern Mountainous Area in Jilin Province——Taking Yanbian Autonomous Prefecture as an Example
HE Yan-Fen, MA Chao-Qun, ZHU Jin-Hua
SCIENTIA GEOGRAPHICA SINICA . 2003, (2): 245 -250 .  DOI: 10.13249/j.cnki.sgs.2003.02.245