1.
Tangwe S, Kusakana K. Evaluation of the coefficient of performance of an air source heat pump unit and an air to water heat pump. J. energy South. Afr. [Internet]. 2021 Feb. 18 [cited 2024 Jul. 22];32(1):27-40. Available from: https://journals.assaf.org.za/index.php/jesa/article/view/7935