Practical study on heat pump enhancement by the solar energyOmar Abdulhadi Mustafa Almohammed, Farida Mizkhatovna Philippova, Fouad Ibrahim Alhajj Hassan, Nail Farilovich Timerbaev and Anatoliy Anatolyevich FominE3S Web Conf., 288 (2021) 01069DOI: https://doi.org/10.1051/e3sconf/202128801069
