1.
Yousefi M, Moradali M. Thermodynamic analysis of a direct expansion solar assisted heat pump water heater. J. energy South. Afr. [Internet]. 2015 Jun. 23 [cited 2024 Jul. 22];26(2):110-7. Available from: https://journals.assaf.org.za/index.php/jesa/article/view/2205