(3GdacQ GdeYGUQ ai GdJfXje hGdGOGQI (B/ s - (3SYjO jS YGeQs; (3Ydi eMeO YHOGdhgGHs ((3GdbGgQI (B: s (3eQcR hGjO SjQajS ddGSJTGQGJ hGdJWhjQ , s, 1994)
Keywords: (3GdGOGQI hGdJfXjes; (3GOGQI GdGaQGOs; (3GJNGP GdbQGQGJs; (3GdSdhc GdJfXjeis; (3GOGQI GdJZjjQs; (3GdacQ GdGOGQis