This study examines the impact of organizational culture on organizational performance and the mediating role of self-efficacy in Korean companies operating in Vietnam. Key research questions include the influence of organizational culture on performance, its effect on self-efficacy, and the mediating role of self-efficacy in this relationship. Survey data were analyzed using SPSS 25.0 through reliability, validity, correlation, and multiple regression analyses. Findings include: Organizational culture significantly affects job satisfaction and organizational commitment. Organizational culture also impacts self-efficacy. Self-efficacy partially mediates the relationship between bureaucratic, market, and productive cultures and both job satisfaction and organizational organizational culture for Korean companies to enhance their performance in Vietnam. commitment. Among these, self-efficacy had the strongest mediating effect on bureaucratic and productive cultures, while market culture showed no mediating effect. The study highlights the importance of integrating self-efficacy and organizational culture for Korean companies to enhance their performance in Vietnam.

In South Korea, the history of the qualifications has been matured with industry development. Since National Technical Qualifications Act was enacted in 1973, the government makes an effort to develop the ability for improving socioeconomic status and the contribution of qualifications to industry. As the industry has been diversified and globalized, the government has efficiently and systematically operating the qualification by enacting Framework Act on Qualifications in 1997. And then, the qualifications are classified into national qualifications, private qualifications, and foreign qualifications. However, it is hard for national qualifications to abolish or establish a qualification by each organization and the privileged license acquisitors as the qualifications are separately operated by the laws and the organizations and lack consistency. For private qualifications, it is harder to organize even by the government because of the entry barriers by each qualification association. For those reasons, it is necessary to organize the system adapted in the changing job market and operated by the organization managing the qualification system with consistency. This research indicates the inefficiency of the qualification system because the work-study parallelism National qualification system, enacted in 2020, is like the qualification system in business in terms of the general operating system and the operator, except the institute and the law related. Therefore, we analyze the work-study parallelism National qualification system and the qualification system in business and suggest the efficient method to operate and the future research plan regarding the whole qualification system.