(3SMQ GdGSWhQI (B: (3QMdI ai GYeGb GdgfO (B/ s - (3WGdH YeQGfs ([S.N] : (3efThQGJ hRGQI GdKbGaI , s, 1991)
Keywords: (3GdgfOs; (3hUa hQMdGJs