Determinants of Primary and Middle School Enrollment of 10-18 Year Olds in China
zhegn zhen\|zhen; niu rui\|qin; xing li\|qiang (1.institute of population research; peking university; beijing\ 100871; 2.department of economics; bowdoin college; the united states of america 3.criteria study center of china; beijing\ 100029)
Tibet Population and the Carrying Capacities of Land Resources
zha yang 1; luorong zhan-dui 2 (1.middle school in jiangzi county of tibet; jiangzi county; tibet 857000; 2.institute of social economics; tibetan study center of china; beijing 100101)