CK-12 Foundation
Ck 12: Sociology
Flexbooks 2.0 are interactive, customizable, digital textbooks. Flexbooks are standards-aligned. Flexi, a student tutor, is integrated into each book to guide you on your learning journey. Flexi can assist in learning, answer questions,...
CK-12 Foundation
Ck 12: Philosophy
Flexbooks 2.0 are interactive, customizable, digital textbooks. Flexbooks are standards-aligned. Flexi, a student tutor, is integrated into each book to guide you on your learning journey. Flexi can assist in learning, answer questions,...
CK-12 Foundation
Ck 12: Epsid World Geo 2019
Flexbooks 2.0 are interactive, customizable, digital textbooks. Flexbooks are standards-aligned. Flexi, a student tutor, is integrated into each book to guide you on your learning journey. Flexi can assist in learning, answer questions,...
CK-12 Foundation
Ck 12: United States Government
El Paso Independent School District in El Paso, Texas created this US Government text for its high school course using OER, CC, and public domain content from a variety of sources curated by educators in the district. The course is...
CK-12 Foundation
Ck 12: Economics With Emphasis on the Free Enterprise System
El Paso Independent School District in El Paso Texas created this Economics text for its high school course using OER, CC, and public domain content from a variety of sources by educators in the district. The course is aligned to the...