Korea Citation Index
The Korea Citation Index (KCI, 한국학술지인용색인) is a non-commercial South Korean citation index operated by the National Research Foundation of Korea (NRF, 한국연구재단). Though it mainly covers researches written in Korean language, some of English language journals are also indexed in KCI. Established in 2007, KCI covers selected South Korean journals and their researches published from year 2004.