Use-Case 2.0. - Ivar Jacobson; Ian Spence; Brian Kerr (ACM Queue, 2016)

Scrum Essentials Cards: Experiences of Scrum Teams Improving with Essence. - Jeff Sutherland; Ivar Jacobson; Brian Kerr (ACM Queue, 2020)

Better Scrum through Essence. - Ivar Jacobson; Jeff Sutherland; Brian Kerr; Barbora Buhnova (Softw. Pract. Exp., 2022)