RESTRICTIONS OF ECOLOGICAL ENVIRONMENT ON EMIGRATION TONORTHWEST CHINA

Yan Zhengyuan

Science & Technology Review ›› 1990, Vol. 8 ›› Issue (9003) : 29-31.

PDF(440 KB)
PDF(440 KB)
Science & Technology Review ›› 1990, Vol. 8 ›› Issue (9003) : 29-31.
人口生态学

RESTRICTIONS OF ECOLOGICAL ENVIRONMENT ON EMIGRATION TONORTHWEST CHINA

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 1990, 8(9003): 29-31

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