Statistical Research 1990 Issue 6 nong cun zhu hu diao cha de yang ben lun huan

Journals A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Statistical Research
1002-4565
1990 Issue 6

..............page:59-61

zhong guo nong cun pin kun biao zhun yan jiu
zhong guo nong cun pin kun biao zhun ke ti zu

..............page:37-42