Practical Exercises In Mental Arithmetic (1920) Autor George Alonzo Mirick et al. oct 2008 Paperback Preț: 187.92 lei 38-44 zile
High School organization: A Constructive Study Applied to New York City / by Frank W. Ballou ... Autor Frank Washington Ballou 12 sep 2006 Paperback Preț: 157.48 lei 6-8 săpt.