Peterson, Gray L.
Algebra and trigonometry Peterson, Gary L. - Belmont: Wadsworth, 1985. - ix, 613p.
Includes index
Trigonometry
512.13 / PEA
Algebra and trigonometry Peterson, Gary L. - Belmont: Wadsworth, 1985. - ix, 613p.
Includes index
Trigonometry
512.13 / PEA