(3efXeI GdYed GdjOhjI h YGde GdYed (B/s - (3efXeI GdYed GdOhdjIs ((3HjQhJ (B:s (3ecJH efXeI GdYed GdOhdjI ,s, 1985)
Keywords: (3JNWjW GdYeGdI s; (3JfejI GdehGQO GdGLJeGYjI s; (3Yed GdefXeI s; (3gjGcd GdefXeI s