Hussein Ni, A. (2016). Theoretical Calculations of the Seasonal and Solar Activity Variations for Ionospheric Collision Frequency and Debye Length over Baghdad City. , 27(4), 88-94.
Ali Hussein Ni. "Theoretical Calculations of the Seasonal and Solar Activity Variations for Ionospheric Collision Frequency and Debye Length over Baghdad City". , 27, 4, 2016, 88-94.
Hussein Ni, A. (2016). 'Theoretical Calculations of the Seasonal and Solar Activity Variations for Ionospheric Collision Frequency and Debye Length over Baghdad City', , 27(4), pp. 88-94.
Hussein Ni, A. Theoretical Calculations of the Seasonal and Solar Activity Variations for Ionospheric Collision Frequency and Debye Length over Baghdad City. , 2016; 27(4): 88-94.