(3bGfhf GdHMGQ GdLOjO hGdeUGdM GdYQHjI (B/ s - (3eYgO GdHMhK hGdOQGSGJ GdYQHjIs; (3eajO TgGHs ([S.N] : (3GdefXeI GdGSdGejI ddJQHjI hGdYdhe hGdKbGaI , s, 1977)
Keywords: (3GdbGfhfs; (3GdbGfhf GdOhdis; (3GdbGfhf GdHMQis; (3GdbGfhf GdOhdi GdHMQis; (3GdefGRYGJ GdOhdjIs; (3GdSaf GdJLGQjI GdeSdMIs; (3GdejGg GdGbdjejIs