Untangling Cost, Effort, and Load in Information Seeking and Retrieval. - Molly McGregor; Leif Azzopardi; Martin Halvey (CHIIR, 2021)

Defining and Measuring Cost, Effort, and Load in Information Retrieval. - Molly McGregor (SIGIR, 2023)

A Systematic Review of Cost, Effort, and Load Research in Information Search and Retrieval, 1972-2020. - Molly McGregor; Leif Azzopardi; Martin Halvey (ACM Trans. Inf. Syst., 2024)