Author = MOHAMED H. HELAL
Number of Articles: 3
COMPARATIVE STUDY BETWEEN ERASABLE AND DISAPPEARING INKS USED IN FORGING DOCUMENTS

Volume 2018, Issue 6, May and June 2018, Pages 59-70

Mohamed Helal; Mohamed B. Ghazy; Waleed K. El-Zawawy; Taha M. Eldebss; Mohamed R. Helal; Khaled E. Rashed

CYANOACETANILIDE IN HETEROCYCLIC CHEMISTRY: AN EFFICIENT AND IMPROVED METHOD FOR THE SYNTHESIS OF PYRAZOLO[1,5-A]PYRIMID-INE, THIAZOLIDINE AND THIOPHENE DERIVATIVES

Volume 2008, Issue 12, November and December 2008, Pages 95-107

AWATEF FARRAG; ABD ALLAH AL-SEHEMI; MOHAMED SALEM; HAMDY SABET; MOHAMED HELAL

Al-Azhar Bulletin of Science

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