Discovering Algebra an Investigative Approach (Condensed Lessons in Spanish)Erin GrayDiscovering Algebra an Investigative Approach (Condensed Lessons in Spanish)Erin Gray
Condensed Lesson in Spanish / Lecciones condensadas en español (Discovering Advanced Algebra: An Investigative Approach)Erin GrayCondensed Lesson in Spanish / Lecciones condensadas en español (Discovering Advanced Algebra: An Investigative Approach)Erin Gray
Discovering Geometry, an Investigative Approach (Condensed Lessons in Spanish)Erin GrayDiscovering Geometry, an Investigative Approach (Condensed Lessons in Spanish)Erin Gray