참고문헌
- KEMCO, "A Study of gas cooling subsidy standards", 2011.08
- Jang hye-rim, "A study on performance analysis of refrigerator system using screw and screw inverter compressor", 2007 chonnam national university thesis for a degree
- CPUC, CALIFORNIA STANDARD PRACTICE MANUAL, 2001. 10
- KEPCO Cyber-branch, "Power tariff", http://cyber. kepco.co.kr/ cyber/index.html
- KOGAS, "Gas cooling support system", http://www. kogas.or.kr/kogas_kr/html/customer/customer_06.jsp