数学的实践与认识1990年总目录 |
| |
摘 要: | 贡码狈数数学自然科学基金项目审批概况···········································································……徐中玲2(1) 1··「‘1一应·用土地资源投入产出模型···········~····························一、·····························..·········……郭菊娥1(1)地区间投人产出行系数生产模型与行系数分配模型~··········,··········…
|
本文献已被 CNKI 等数据库收录! |
|