Trigonometry : Plane and spherical.
Salumbides, Epifanio Jr. N.
Trigonometry : Plane and spherical. - rev. ed. - Quezon City : Royal Publishing House, Inc, c1963. - x, 103 p. : ill. ; 23 cm.
Includes bibliographical references and index.
9718609008
Trigonometry : Plane and spherical. - rev. ed. - Quezon City : Royal Publishing House, Inc, c1963. - x, 103 p. : ill. ; 23 cm.
Includes bibliographical references and index.
9718609008