WASET
    Yamamah Abdulrazaq and  Lahieb A. Abrahim and  Samuel E. Davies and  Iain Shewring,  Quantifying the Methods of Monitoring Timers in Electric Water Heater for Grid Balancing on Demand Side Management: A Systematic Mapping Review.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2024, vol. 209(5). 90 - 97
    [viewed 20 May 2024]. Available from: https://publications.waset.org/pdf/10013631.