(3GdEKHGJ aj GdehGO GdLfGFjI aj GdbGfhf GdebGQf (B/s - (3eUWai, eMehO eMehOs ([(3O(B. (3e(B. :s (3O(B. (3f(B.](3,s, 1977)
(3L(B. 1. (3GdfXQjI GdYGeI(B--(3L(B. 2. (3GdJaJjT hGdVHW(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdEKHGJ GdLfGFjs; (3GdbGfhf GdebGQfs