(3GdJWhQGJ GdJcfhdhLjI hGdGOGQI GdUfGYjI (B/ s - (3UdGM GdTfhfis ([S.N] : (3eDSSI THGH GdLGeYI , s, 1990)
Keywords: (3GOGQI GdGYeGds; (3GdGOGQIs; (3JfXje hGOGQIs; (3GdJcfhdhLjGs; (3GdUfGYIs; (3GdGdGJs; (3JWhjQs; (3GdeUGfYs; (3GdGOGQI GdUfGYjIs; (3GdcaGjI GdGfJGLjIs