el- gendi, s. (1965). a course in numerical treatment of differential equations. the institute of national planning.
Chicago Style (17th ed.) Citationel- gendi, salah. A Course in Numerical Treatment of Differential Equations. cairo: the institute of national planning, 1965.
MLA (9th ed.) Citationel- gendi, salah. A Course in Numerical Treatment of Differential Equations. the institute of national planning, 1965.