(3eJeQOhf dhLg Gddg (B: s (3GHf MRe(B, (3GHf JejeI(B, (3QaGYI GdWgWGhi(B, (3QaGYI GdWgWGhi(B, (3LeGd GdOjf GdGaZGfi(B, (3YHOGddg GdfOje (B/ s - (3eMehO YhVs ((3GdbGgQI (B: s (3OGQ GdTQhb , s, 1981)
Keywords: (3GdGSdGe hGdGUdGM GdGLJeGYis; (3LeGd GdOjf GdGaZGfis; (3QaGYI GdWgWGhis; (3GdGSdGe hMQcGJ GdGUdGM hGdJLOjs; (3GHf JjejI, Jbi GdOjf GHhGdYHGSs; (3GHf MRe GdGfOdSis; (3YHOGddg GdfOjes