강병하 2024-01-21T16:07:04Z 2024-01-21T16:07:04Z 2022-01-10 1999-01 https://pubs.kist.re.kr/handle/201004/142528 International heat pump status and policy review : national position paper, South Korea Article 3 International Heat Pump Status and Policy Review, pp.235 - 247 International Heat Pump Status and Policy Review 235 247 heat pump energy efficiency market