Name - - Affiliation دانشجو Degree Website Email — JournalPaper Presentation FinishedProject Book ConferenceHoldings Speech Panel WorkShop TheorizingChair ResearchExcellence Innovation Publication ExecutiveActivity Thesis Sabbatical GrantAttraction Contribution IndustryVisit Art TitleJournal 1 Solving a Class of Variable-Order Differential Equations by the Ritz Method and Genocchi Functions journal of mathematical extension