59323842
9781689027243
Publishing, Engineering Humor is the author of 'Hexagonal Graph Paper Notebook: Science, Organic Chemistry and Biochemistry Hexagon Grid for Carbon Chains : Large 1/2 Inch Honeycomb Pattern for Role-Playing Games, Mapping, Crafting, Quilting, Architecture, Drawing and Sketching', published 2019 under ISBN 9781689027243 and ISBN 168902724X.
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