A qualitative control approach to reduce energy costs of hybrid energy systems : utilizing energy price and weather dataTaebnia, Mehdi; Heikkilä, Marko; Kurnitski, JarekEnergies2020 / art. 1401, 17 p. : ill https://doi.org/10.3390/en13061401 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS