Minimizing makespan on an m-machine re-entrant flowshop. - Seong-Woo Choi; Yeong-Dae Kim (Comput. Oper. Res., 2008)

Minimizing total tardiness on a two-machine re-entrant flowshop. - Seong-Woo Choi; Yeong-Dae Kim (Eur. J. Oper. Res., 2009)

Minimizing makespan in a two-machine flowshop with a limited waiting time constraint and sequence-dependent setup times. - Young-Jin An; Yeong-Dae Kim; Seong-Woo Choi (Comput. Oper. Res., 2016)

A Study on the Development of Digital literacy Diagnosis Tool for Lifelong Education Institutions. - Cheong-Jae Lee; Seong-Woo Choi (SNPD Winter, 2021)