(3acQ GdGReI (B- (3OQGSI ai GReI Yde GdGbJUGO GdQGSeGdi hGdacQ GdJfehi GdYQHi (B/ s - (3QeRi Rcis ([S.N] : (3ecJHI eOHhdi , s, 1987)
Keywords: (3GdGbJUGOs; (3GdJcGed GdGbJUGOis; (3GdGbJUGO GdOhdis; (3GdQGSeGdjIs