(3aMU h JUOjb GdHPhQ (B/ s - (3Cejf, gGTe eMeOs; (3YHGS, Ydj MSjfs ((3HZOGO (B:s (3hRGQI GdJYdje GdYGdj h GdHMK GdYdej,s, 1988)
Keywords: (3GdRQGYIs; (3GdHPhQs