abdel karim, a. i. (1964). interpolation formulas. the institute of national planning.
Lua i Stíl Chicago (17ú heag.)abdel karim, abbas i. Interpolation Formulas. cairo: the institute of national planning, 1964.
Lua MLA (9ú heag.)abdel karim, abbas i. Interpolation Formulas. the institute of national planning, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.