Syed Javed Arif and Mohd Ayyub Khan and Saleem Anwar Khan, Digital Encoder Based Power Frequency Deviation Measurement . journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2019, vol. 151(7). 472 - 476 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10010565.