山上山下职工家庭收入特征及影响因素分析——基于黑龙江省重点国有林区的调查数据
산상산하직공가정수입특정급영향인소분석——기우흑룡강성중점국유림구적조사수거
Income Characteristic and Determinants of Worker Households Living on Mountain and Living under Mountain in Key National Forest AreasEmpirical Evidence from Heilon~iang Province