(3HPhQ GdcQGeI (B: s (3OQGSI Mhd GdbUGFO GdJj fTQJ HefGSHI ESJTgGO GdefGVdI SfGA eMjOdj (B/ s - (3Qajb, eYQhas ((3GdOhMI (B:s (3eDSSI GdTQb ddYdGbGJ,s, 1985)
Keywords: (3GdTYQ GdhWfjs; (3TYQ GdaNQs