attya1, Heba Abdulla, 		A. Zaki1, Wafaa H., AND 		Al-Tamimi2, Omer sabah ibrahiem.
" Statistical analysis of Sunspot and total solar irradiance effects on the climate in kirkuk area for three solar cycles (22,23,24)" <em>Tikrit Journal of Pure Science</em> [Online], Volume 24 Number 5 (13 September 2019)