Muzammil Mushtaq Hussain, Syed Nazeer Alam and Faisal Ahmed Khan Afridi (2017) “Investigation in the Variations of Ionospheric f0F2 due to Sunspot Numbers over Wakkanai using EDA Technique”, Journal of Basic & Applied Sciences, 13, pp. 418–425. doi: 10.6000/1927-5129.2017.13.69.