(3fHGFW GTHGg GdehUdGJ ajRjGA hJbfjI (B/ s - (3Ri , GS (B. (3Ge (B. s; (3MSjf Ydi GMeOs; (3agO ZGdH MjGJi s ([S.N] : (3OGQ GdMceI , s, 1990)
Keywords: (3GdgfOSI GdcgQHjIs