1983 Turkish Fertility and Family Health Survey, Director, conducted by Hacettepe University Institute of Population Studies (HIPS).
1985 Pre-Immunization Campaign Baseline Survey, Director, conducted by HIPS.
1986 Post-Immunization Campaign Evaluation Survey, Director, conducted by HIPS.
1988 Turkish Population and Health Survey, Director, conducted by HIPS.
 1991 Baseline Survey for Mother and Child Health and Family Planning in the Second Degree Priority Provinces in Development, Director, conducted by HIPS.
1991 Survey on the Knowledge of Mother and Child Health and Related Television Broadcasts, Director, conducted by HIPS.
1992 Evaluation Survey for Mother and Child Health and Family Planning in 20 Provinces with First Degree Priority in Development, Director, conducted by HIPS.
1993 Turkish Demography and Health Survey, Director, conducted by HIPS.
1993 Turkish Congenital Malformation-Survey. Director.
1993 Prenatal Diagnosis of the Fragile-X Sydrome, UNDP.
1998 Rapid Diagnosis of the Fragile-X Sydrome by FMRP, DPT.