(3GUdGM GLgRI GdJdjaRjhf GdLRA GdKGfi (B: (3GYWGd OhGFQ GdGfMQGa hGdJZPjI (B/ s - (3GfhQ eMehO YHO GdhGMOs; (3HOQGf eMeO HOQGfs ([S.N] : (3eDSSI GdGgQGe , s, 1980)
Keywords: (3GdJdjaRjhfs; (3JUdjM GdJdjaRjhfs; (3UjGfI GdJdjaRjhfs; (3OhGFQ GdJdjaRjhf GdeZdbIs