Effects of motivation, academic stress and age in predicting self-directed learning readiness (SDLR): Focused on online college students. - JeongChul Heo; Sumi Han (Educ. Inf. Technol., 2018)

The mediating effect of literacy of LMS between self-evaluation online teaching effectiveness and self-directed learning readiness. - JeongChul Heo; Sumi Han (Educ. Inf. Technol., 2021)