(3OQGSI Mhd JQHjI GdeYhbjf aj GdHdGO GdYQHjI (B/ s - (3GdQGLMj, eMeOs; (3YeGQ, YHO GdQRGbs ((3JhfS (B: s (3GdefXeI GdYQHjI ddJQHjI hGdKbGaI hGdYdhe (B- (3COGQI GdHMhK GdJQHhjI, s, 1982)
Keywords: (3GdJYdje GdNGU(B. s; (3GdHdOGf GdYQHjI(B. s; (3GdeYhbhf(B. s