+ wishlist Interface for an App—The design rationale leading to an app that allows someone with Type 1 diabetes to self-manage their condition (Synthesis Lectures on Human-Centered Informatics) [9783031011054] Add to Cart The item has been added Author: Bob Spence Interface for an App—The design rationale leading to an app that allows someone with Type 1 diabetes to self-manage their condition (Synthesis Lectures on Human-Centered Informatics) [9783031011054] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 49 12% 50 - 99 13% 100+ 14% List Price As Low as $37.99 Format: Paperback