Experiment and Verification of Teaching Fractal Geometry Concepts Using a Logo-Based Framework for Elementary School Children. - Yeonghae Ko; Namje Park (FGIT, 2011)

Computer Education's Teaching-Learning Methods Using Educational Programming Language Based on STEAM Education. - Namje Park; Yeonghae Ko (NPC, 2012)

Development of STEAM Program and Teaching Method for Using LEGO Line Tracer Robot in Elementary School. - Yeonghae Ko; Namje Park (GPC, 2013)

Access Control Technique of Illegal Harmful Contents for Elementary Schoolchild Online Protection. - Namje Park; Yeonghae Ko (GPC, 2013)