(3JaSjQ GdSjOI YGFTI QVi Gddg YfgG (B/ s - (3YHOGddg GHhGdSYhO HOQs; (3GdfYeGf YHOGdeJYGd GdbGVjs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3cdjI GdBOGH (B- (3LGeYI GdbGgQIs, 1981)
(3QSGFd fSNI efaQOIs
(3CWQhMI (B((3OcJhQGg(B)-(3LGeYI GdbGgQI, cdjI GdGOGH, bSe GdTQjYI GdGSdGejI (B1981. s
(3jTJed Ydi EQLGYGJ HjHdjhLQGajIs
Keywords: (3GdTQjYI GdGSdGejIs; (3Yde GdJaGSjQs; (3QSGFd LGeYjIs -- (3LGeYI GdbGgQIs