Khalifa, Mona. (1989). Fitting a Theoretical Modle to the Waiting Time to First Conception with an Application to Sudan. المجلة المصرية للسکان وتنظيم الأسرة, 23(2), 26-57. doi: 10.21608/mskas.1989.416762
MLA
Mona Khalifa. "Fitting a Theoretical Modle to the Waiting Time to First Conception with an Application to Sudan", المجلة المصرية للسکان وتنظيم الأسرة, 23, 2, 1989, 26-57. doi: 10.21608/mskas.1989.416762
HARVARD
Khalifa, Mona. (1989). 'Fitting a Theoretical Modle to the Waiting Time to First Conception with an Application to Sudan', المجلة المصرية للسکان وتنظيم الأسرة, 23(2), pp. 26-57. doi: 10.21608/mskas.1989.416762
VANCOUVER
Khalifa, Mona. Fitting a Theoretical Modle to the Waiting Time to First Conception with an Application to Sudan. المجلة المصرية للسکان وتنظيم الأسرة, 1989; 23(2): 26-57. doi: 10.21608/mskas.1989.416762