(3GdYed ZjQ GdeTQhY HGYJHGQg eUOQ GddGdJRGe (B/s - (3MeRI, eMehO LdGd s ([(3Ohf ecGf(B] :s (3OjhGf GdeWHhYGJ GdLGeYjI ,s, 1985)
Keywords: (3GdJRGe s; (3GdeTQhY s; (3GdYed s