(3LZQGajI THg LRjQI GdYQH L(B4 (3LZQGajI Gdjef GdOjebQGWjI GdTYHjI (B/ s - (3eMehO GHhGdYdGs ([S.N] : (3ecJHI GdGfLdhGdeUQjI , s, 1989)
Keywords: (3GdLZQGajG GdWHjYjIs; (3THg GdLRjQI GdYQHjIs; (3GdbHGFds; (3Gdjef GdLfhHis