(3VQhQI GdJYGhf Hjf GdTeGd h GdLfhH (B/ s - (3LhQ, LGf SGfs; (3Ydjg, eMeO HTjQs ((3HjQhJ (B:s (3GdeDSSI GdYQHjI ddOQSGJ h GdfTQ,s, 1986)
Keywords: (3GdHdOGf GdfGejIs; (3GdEbJUGOs; (3GdJYGhf GdEbJUGOjs; (3GdJYGhf GdOhdjs