Research and development of quantification methods for aggregated energy flexibility = Agregeeritud energiapaindlikkuse kvantifitseerimismeetodi uurimine ja arendaminePlaum, Freddy2025 https://digikogu.taltech.ee/et/Item/3e244995-0b3a-4efd-8f68-6e7e4268576f https://www.ester.ee/record=b5746292*est https://doi.org/10.23658/taltech.28/2025