: (3Gddg s /(3cJGH aj fTCI GdYbjOI GdEdgjI s - (3YHGS eMehO GdYbGOs (: (3GdbGgQIs, 1932)
(3GdfU HGddZI GdYQHjIs
Keywords: (3Gddgs -- (3GdGOjGf s -- (3GdKbGaIs