Autor:	홍 천 호¹ marinehongs@mnd.go.kr, 조 영 호¹ youngho@kndu.ac.kr
Zdroj:	Journal of Internet Computing & Services. Dec2021, Vol. 22 Issue 6, p33-40. 8p.
Databáze:	Business Source Ultimate
Externí odkaz:	Zobrazit plný text záznamu