(3YGOGJ GdGSJPcGQ hegGQGJg GdSdjeI (B/ s - (3SfGA eMeO SdjeGfs ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1990)
Keywords: (3Yde GdfaSs; (3GdPcGAs; (3GdJYdje hGdJYdes; (3GdGOQGcs; (3GdGSJPcGQs