Pages 573-583
10.21608/ejchem.2021.96919.4536
Sanaa Abdalla Masoud; abd elhakem sherbeni; Soubhy Hamed; hazem amine; hoda farahat
Pages 753-760
10.21608/ejchem.2021.97022.4539
Emad Sabry Shaker; maha fawzy; Khaled Fahmy Mahmoud; mahmoud moawad; Mohamed El Shafei
Pages 761-771
10.21608/ejchem.2021.95522.4483
Wala Badawy; S. M. Dessouky; Tarek M.Aboul-Fotouh; Mohamed A. Betiha; Masoud A. El-Shafie