System identification of Just Walk: A behavioral mHealth intervention for promoting physical activity. - Mohammad T. Freigoun; Cesar A. Martin; Alicia B. Magann; Daniel E. Rivera; Sayali S. Phatak; Elizabeth V. Korinek; Eric B. Hekler (ACC, 2017)

Mobile User Research: A Practical Guide - Sunny Consolvo; Frank R. Bentley; Eric B. Hekler; Sayali S. Phatak (Morgan & Claypool Publishers, 2017)

Modeling individual differences: A case study of the application of system identification for personalizing a physical activity intervention. - Sayali S. Phatak; Mohammad T. Freigoun; César A. Martín; Daniel E. Rivera; Elizabeth V. Korinek; Marc A. Adams; Matthew P. Buman; Predrag V. Klasnja; Eric B. Hekler (J. Biomed. Informatics, 2018)

Exploring, Defining, & Advancing Community-Driven Design for Social Impact. - Eric B. Hekler; Jennifer C. Taylor; Steven P. Dow; Michele Morris; Faren J. Grant; Sayali S. Phatak; Don Norman; m. c. schraefel; Dana M. Lewis (Conference on Designing Interactive Systems (Companion Volume), 2019)