GDA - Educational Statistics - New paperback or softback - X555z

Osweiller - Ratios and Proportions - New paperback or softback - X555z

Osweiller - Expressions and Equations - New paperback or softback - X555z

Powell - Glue Statistics microform - New paperback or softback - X555z

Osweiller - Advanced Fractions - New paperback or softback - X555z

Glen - Sampling in Statistics - New paperback or softback - X555z

Bailey - Statistics - New paperback or softback - 36 - X555z

Osweiller - Units of Measurement - New paperback or softback - X555z