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Author

Siegfried Howell

5 books found

Cover of 12-P Model to Success

12-P Model to Success

Siegfried Howell · First published 2021

Cover of Science and Critical Thinking by Design

Science and Critical Thinking by Design

Siegfried Howell · First published 2021

Cover of It's All about MEI

It's All about MEI

Jude Nelson, Siegfried Howell · First published 2020

Cover of EASY SCIENCE EXPERIMENTS

Easy Science Experiments

Siegfried Howell · First published 2019

Cover of Whole Year of Chemistry Quizzes

Whole Year of Chemistry Quizzes

Siegfried Howell · First published 2019