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Empirical analysis on the treatment and working conditions of grass-root agricultural technique extension personnel : a case study on grass-root agricultural technique extension personnel in Hubei province
Liu, Zaizhou, (2011)
Parity progression and birth intervals in China : the influence of policy in hastening fertility decline
Feeney, Griffith, (1993)
Bayes estimation of component-reliability from masked system-life data
Lin, D., (1996)