(3ebGdGJ adSajI deTGgjQ GdeSdejf hGdfUGQi (B/ s - (3dhjS TjNhs ((3GdbGgQI (B: s (3OGQ GdYQH ddHSJGfi , s, 1985)
Keywords: (3GdadSaI GdGSdGejIs; (3GdJUha GdGSdGeis; (3GdMQcGJ GdacQjI YfO GdeSdejfs; (3GdadGSaI GdeSdehfs