Yap TS, Adib N and Coman D
Relato de caso
Richard Kerner
Nota do Editor
Jan Staessen
Relatório breve
Dragan Obradovic , Lakshmi Narayan Mishra , Vishnu Narayan Mishra
Comentário
Soumik Goswami and Chandana Haldar
Artigo de Pesquisa
VK Pandey, Z Tusi, S Tusi, MN Joshi