Unidades de carga en el transporte

La etimología de «logística» se relaciona con la palabra griega logos, que significa «idea» o «palabra», y hace referencia a la ciencia del cálculo y de los números, según la cual la realidad puede ser objeto de cálculo lógico, coherente. En la Atenas del imperio griego, los logistas (logistaæi) o contadores formaban junto con los eutinos (euzunoi) o censores, diez de cada clase, una especie de tribunal de cuentas. Eran elegidos anualmente por la Bulé (senado ateniense) entre sus miembros. Los funcionarios atenienses que manejaban fondos del erario público debían presentar...

These stocky, sturdy board books are perfect for little hands and stand up to lots of page turning as toddlers discover the amazing world of the farm.

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

Young readers will learn the ways that César Chávez fought to protect the rights and lives of migrant workers in this inspiring Spanish-translated biography that gives history behind protests and developments of unions that Chávez led. Vivid images and an interesting timeline of Chávez's life work in conjunction with supportive text and a helpful glossary, table of contents, and index to engage readers from cover to cover. This 6-Pack includes six copies of this title and a lesson plan.

If it were possible to shrink down and take a tour of a human body, would you want to go? Readers will get that chance when they explore the body of a guy named Marty, who will let them check out the body systems that keep his heart beating and his body moving every day. With the help of a tiny ship that goes through his ears and all the way through his digestive system, readers will learn exactly what they are made of with this great book.