Jaber, D., Zahawy, S. (2011). Measuring and Analysis of Productivity Efficiency by Using Cobb – Douglas Production Function in the State Company for Drug Industries in Samarras during (1986 – 2006). , 33(103), 26-45. doi: 10.33899/tanra.2011.161941
dr. Amer Jaber; Sabir Zahawy. "Measuring and Analysis of Productivity Efficiency by Using Cobb – Douglas Production Function in the State Company for Drug Industries in Samarras during (1986 – 2006)". , 33, 103, 2011, 26-45. doi: 10.33899/tanra.2011.161941
Jaber, D., Zahawy, S. (2011). 'Measuring and Analysis of Productivity Efficiency by Using Cobb – Douglas Production Function in the State Company for Drug Industries in Samarras during (1986 – 2006)', , 33(103), pp. 26-45. doi: 10.33899/tanra.2011.161941
Jaber, D., Zahawy, S. Measuring and Analysis of Productivity Efficiency by Using Cobb – Douglas Production Function in the State Company for Drug Industries in Samarras during (1986 – 2006). , 2011; 33(103): 26-45. doi: 10.33899/tanra.2011.161941