(3YXje bOQg hQaYI ecGfJg YfO QHg YR hLd (B/s - (3NGWQ, Ndjd EHQGgje edG s 1357 (3gLQj(B-s ([(3O(B.(3e(B] s (3OGQ GdbHdI ddKbGaI GdESdGejI (B:s, 1984)
Keywords: (3eMeO (B((3Udi Gddg Ydjg hSde(B)(3,s -- 53 (3bHd GdgLQI(B-11 (3gLQjs; (3GdSjQI GdfHhjIs