Abir Hmida and  Nihel Chekir and  Ammar Ben Brahim,  Performance of an Absorption Refrigerator Using a Solar Thermal Collector.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2018, vol. 142(10). 772 - 777
    [viewed 14 November 2019]. Available from: https://publications.waset.org/pdf/10009723.