(3QYGjI GdCMOGK ai GdGSdGe hGdbGfhf GdeUQi (B/ s - (3GdHTQi GdThQHLis ([S.N] : (3ecJHg GdfgVg GdeUQjg , s, 1980)
Keywords: (3GdbGfhfs; (3GdGMOGKs; (3GfMQGa GdGMOGKs; (3GfMQGas; (3LfGM GdGMOGKs; (3eMGce GdCMOGKs; (3GdJTQOs