The measurement of learning and retention curves for basic skills in Egyptian primary education : an application of censored analysis of variance ; maximum likelihood estimation of the truncated and censored normal regression models

Maximum likelihood estimation of the truncated and censored normal regression models

Hartley, Michael J., (1985)

Retention of basic skills among dropouts from Egyptian primary schools

Hartley, Michael J., (1986)

Econometric methods for agricultural supply under uncertainty : fertilizer use and crop response

Hartley, Michael J., (1982)