HEFNAWI, F., . MAHMOUD, H. (1969). DIFFICULTIES IN SELECTING A SUITABLE CONTRACEPTIVE FOR DEVELOPING COUNTRIES. test, 2(2), 45-49. doi: 10.21608/mskas.1969.417079
FOUAD HEFNAWI; HANAFI . MAHMOUD. "DIFFICULTIES IN SELECTING A SUITABLE CONTRACEPTIVE FOR DEVELOPING COUNTRIES". test, 2, 2, 1969, 45-49. doi: 10.21608/mskas.1969.417079
HEFNAWI, F., . MAHMOUD, H. (1969). 'DIFFICULTIES IN SELECTING A SUITABLE CONTRACEPTIVE FOR DEVELOPING COUNTRIES', test, 2(2), pp. 45-49. doi: 10.21608/mskas.1969.417079
HEFNAWI, F., . MAHMOUD, H. DIFFICULTIES IN SELECTING A SUITABLE CONTRACEPTIVE FOR DEVELOPING COUNTRIES. test, 1969; 2(2): 45-49. doi: 10.21608/mskas.1969.417079