Exploratory study on the patterns of online interaction and knowledge co-construction in project-based learning. - Heeok Heo; Kyu Yon Lim; Youngsoo Kim (Comput. Educ., 2010)

The Development of an Interactive Digital Textbook in Middle School English. - Jeong-Im Choi; Heeok Heo; Kyu Yon Lim; Il-Hyeon Jo (FGIT, 2011)

The impact of ICT use on new millennium learners' educational performance. - Myunghee Kang; Heeok Heo; Minjeong Kim (Interact. Technol. Smart Educ., 2011)

Enhancing learning engagement during COVID-19 pandemic: Self-efficacy in time management, technology use, and online learning environments. - Heeok Heo; Curtis J. Bonk; Min Young Doo (J. Comput. Assist. Learn., 2021)

Influences of depression, self-efficacy, and resource management on learning engagement in blended learning during COVID-19. - Heeok Heo; Curtis J. Bonk; Min Young Doo (Internet High. Educ., 2022)