Matemática 6
McSwain, Eldridge Tracy
Matemática 6 Matemática seis E.T. McSwain, Kenneth E. Brown, Bernard H. Gundlach ; traducción por Mariano García Rodríguez ... [et al.]. - River Forest, Ill. Laidlaw Bros. c1966. - 336 p. ill.(some col.) 24 cm.
On cover: McSwain, Brown, Gundlach and Cooke.
Mathematics--Study and teaching (Elementary)
Matemática 6 Matemática seis E.T. McSwain, Kenneth E. Brown, Bernard H. Gundlach ; traducción por Mariano García Rodríguez ... [et al.]. - River Forest, Ill. Laidlaw Bros. c1966. - 336 p. ill.(some col.) 24 cm.
On cover: McSwain, Brown, Gundlach and Cooke.
Mathematics--Study and teaching (Elementary)