Huang B.J.Chyng J.P.2019-06-262019-06-2619999601481https://www.scopus.com/inward/record.uri?eid=2-s2.0-0032917025&doi=10.1016%2fS0960-1481%2898%2900264-X&partnerID=40&md5=adfe89b8b8ec025c14740a86460f50c9https://scholars.lib.ntu.edu.tw/handle/123456789/411449[SDGs]SDG7Integral-type solar-assisted heat pump water heaterjournal article10.1016/S0960-1481(98)00264-X2-s2.0-0032917025