Chewing gum, Definition, Ingredients, & History

Who Came Up With Chewing Gum?

Chewing Gum: Good or Bad?

The History of Extra Gum: Why Is Extra Gum So Popular? –

Coatings, Free Full-Text

Chew on This: The History of Gum

Is Chewing Gum Biodegradable? A Look at Its Ingredients

Clove Gum (History, Ingredients, Commercials) - Snack History

Chewing Gum — Design Life-Cycle

Typical sugar-free chewing gum formulation [Estruch (2006); Fritz