(3JQHjI GdWad bHd GdeOQSI (B/ s - (3CMeO, SYO eQSjs; (3chLc, chKQ MSjfs ((3GdbGgQI (B:s (3YGde GdcJH,s, 1983)
Keywords: (3GdJQHjIs; (3GdJYdje GdEHJOGFjs