WASET
    S. Padmapriya and  M. Tamilarasi,  Co-tier and Co-channel Interference Avoidance Algorithm for Femtocell Networks.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 97(1). 21 - 27
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10000243.