Khaled Abd El Hamed Hashem , Benha , Zagazeg University , 1990 . Thesis Title : " Estimation of Density Function

Mohamed Salah El-Dain El-Saed , Benha , Zagazeg University , 1989 . Thesis Title : " Estimation of Density Function "

Gamal Ali Gado Gameel , Mansoura University , 1987 . Thesis Title : " Non-Parametric Estimation of a Probability Density Function " .

Osama Moustafa Abd_El-Aziz Morsy , Mansoura University , 1980 . Thesis Title : " Study on Estimation of Multivariate Density Function " .

* Mamdouh Abd El-Wakil Mohamed Montaser , Mansoura University , 1979 . Thesis Title : " Study on Some Properties of Estimation of Density Function " .