Tekijä Sarkar, Uttam Kumar, Khan, Gazala Eran, Rebello, Sanjay Christopher, Dubey, Vineet Kumar, Agnihotri, Praveen, Pathak, Ajay Kumar, Pal, Amar, Singh, Sri Prakash

Organisaatio: Universidad Estatal a Distancia

Repositorio: Portal de Revistas UNED