A manual of information and suggestions for object lessons, in a course of elementary instruction. Adapted to the use of the school and family charts, and other aids in teaching
Автор: Willson, Marcius, 1813-1905, 352 стр., издатель: "Книга по Требованию", ISBN: 978-5-8835-8053-5


4 из 5, 5 голос(-ов).