Criptología digital (Digital Cryptology)

MANUAL FOR COMMUNITARIAN SOCIAL WORK - This book is a basic document for students and professionals of the different disciplines of Social Sciences related to community action: social workers, socio-cultural animators, social educators, psychologists, etc., who want to develop their professional activity in this collective ambience, professionals who believe in what they do and why they do it, and who are willing to accompany the community and its members in a process of change and growth.

Anatosaurio is a reinforced, library bound book in The Child's World series Libros Sobre Dinosaurios.

An ideal book for young Spanish students; proposes a new progression that promotes language acquisition and consolidation of contents, offers numerous grammatical and lexical and formal practice aid activities within the unit and contains a competency evaluation at the end of each chapter.

This Spanish book introduces students to the concepts of solids and liquids. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning with this dynamic text!