1. A semiotic comparison of mass media representations of the swine flu and Covid-19 pandemics: observing narcissus narcosis
  2. Analysis of cleaned waste glass and utilisation in the normal strength concrete
  3. Covid-19 case recognition from chest ct images by deep learning, entropy-controlled firefly optimization, and parallel feature fusion
  4. Vibrational transportation on a platform subjected to sinusoidal displacement cycles employing dry friction control