		No cover image available No cover image available Conceptos matemáticos : by Willerding, Margaret F. Publication: México : CECSA, 1971 . 141 p. : , Título original Mathematical concepts - A historical approach 21 cm Date: 1971 Availability: Items available: Biblioteca Central [510:93, W712] (1),
		No cover image available No cover image available Sistemas de numeración para los números enteros / Publication: México : Trillas, 1967 . 43 p. : , Tít. orig.: Topics in mathematics for elementary school teachers. Booklet Numbr 3 : numeration systems for the whole numbers 23 cm Date: 1967 Availability: Items available: Biblioteca Central [511.12, S623] (1),

Sistema de Bibliotecas de la Facultad de Ingeniería. UBA