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2. He Kang (ed) (1983) Zhongguo nongye nianjian 1983 (Chinese Agricultural Yearbook 1983). Beijing.
3. He Kang (ed) (1986) Zhongguo nongye nianjian 1986 (Chinese Agricultural Yearbook 1986). Beijing.
4. ”Statistical Communique on National Social and Economic Development During 1985” in R.F. Ash, “Quarterly Chronicle and Documentation” in The China Quarterly, June, 1986.
5. State Statistical Bureau (1986) Zhongguo tongji nianjian 1986 (Chinese Statistical Yearbook 1986). Beijing.