(3GdhSjW ai bVGA GdGehQ GdeSJYLdI (B:s (3jTJed Ydi TQM dGNJUGU GdbVGA GdeSJYLd (B- (3TQM ddefGRYGJ GdeSJYLdI eY HjGf GMcGe GdbVGA HTGfgG ai NeSjf YGeG (B- (3GdGhGeQ Ydi GdYQGFV hUjZ GdOYGhi (B/s - (3eYhV YHOGdJhGHs ([ (3GdGScfOQjI (B] : s (3efTGI GdeYGQa , s, 1987)
Keywords: (3GdbGfhfs; (3GdbGfhf GdeOfis; (3bhGfjf hJTQjYGJs; (3bGfhf GdGLQGAGJ GdeOfjIs