1. Congleton, C. A.; Broome, L. E.
A Module in Spherical Trigonometry
. School Science and Mathematics 80. 103-108.
This article has presented the topic of spherical geometry in three areas. The article was written as an enrichment lesson for high school students that have trigonometry and possible Calculus in their background.
2. Modern Mathematics for School.
Scottish Mathematics Group
. Book 7. Blackie Glasgow and London. Chamber Edinburgh and London: Section 6. 252-255.
This book has presented a section in Spherical Geometry that is suitable for high school students.
3. Joseph Malkevitch and Walter Meyer:
Graphs, Models, Finite Mathematics
. Prentice Hall, Inc., Englewood Cliffs New Jersey.
4. Joanne Simpson Growney.
Mathematics In Daily Life
. Making Decisions and Solving Problems. McGraw Hill 1986.
This text presents different ways that students can learn to solve problems. It placed emphasis on using the graph as a tool for problem solving.
5.
The School Mathematics Project
. Books B, C,and D. Cambridge University Press. 1970.
These books have presented the topic of network, matrices and vectors in a form that can be presented to any group of students. For examples and teaching guide the reader is encouraged to consult these books.
6. Winston, Wayne L.
Operation Research: Applications and Algorithms
P.W.S Publishers 1987. Chapter 7.