(3ChQGb GdfOhI GdYdejI dEMjGA JQGK EHf eGLO (B/ s - (3GdfOhI GdYdejI dEMjGA JQGK EHf eGLO (B(1989:(3CHh XHj(B)s ((3GddGPbjI (B:s (3OGQ GdMhGQ ddfTQ h GdJhRjY,s, 1991)
Keywords: (3GdJQGLes; (3GdYQHs; (3GdLZQGajGs; (3GdJGQjN GdSjGSjs; (3GdQMGdIs; (3GdQMdGJs; (3GdSaQs