(3GdMeGeI h GdYfcHhJ (B: (3bUI GdgLQI GdfHhjI GdTQjaI (B/ s - (3GdeMGej, eMeO cGed MSfs ((3HjQhJ (B:s (3efThQGJ GdecJH GdYGdej ddWHGYI,s, 1988)
Keywords: (3bUU GdbQBfs; (3GdCfHjGAs; (3fGTFhf cHGQ (B(15-18 (3SfI(B)s; (3eMeO Udi Gddg Ydjg h Sdes