Feria Del Libro Digital

Gran exposición gratuita de libros en formatos PDF, EPUB y MOBI

Libros de Patricia Armentrout (3 libros)

Salvar el medioambiente / Saving the Environment

Libro Salvar el medioambiente / Saving the Environment

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

Cómo podemos utilizar el tornillo?

Libro Cómo podemos utilizar el tornillo?

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Cómo podemos utilizar la palanca?

Libro Cómo podemos utilizar la palanca?

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.