Roy Derrick Hollands

Dictionary of Mathematics, A

By Roy Derrick Hollands

Ginn Extension Mathematics: Level 4-7- Investigations, Games and Puzzles, Teacher's Notes and Answers

By Roy Derrick Hollands, Hollands, Roy Derrick

Ginn Extension Mathematics: Readers - Relationship Level 1

By Roy Derrick Hollands

Basic Mathematics: Graphs and Charts

By Roy Derrick Hollands, Howell G. Moses

Basic Mathematics: Percentage, Ratio and Proportion

By Roy Derrick Hollands, Howell G. Moses

Basic Mathematics: Basic Algebra

By Roy Derrick Hollands, Howell G. Moses

Basic Mathematics: Simple Geometry

By Roy Derrick Hollands, Howell G. Moses