A proposed method for estimating contraceptive effectiveness
By: by Mohamed Naguib Abd El Fattah Ahmed
Series: Working paper / Cairo Demographic Center -- no. 29; Working paper (Cairo Demographic Centre) -- no. 29
Publisher: Cairo Demographic Center
Published: 1993
Place of publication: Cairo
Language: eng; ara
Number of pages: 22
Subjects: Birth control; Statistics; Population
Notes: Chiefly English, with some Arabic.