prasad, C D N Singh, S P Verma, & S D Singh. (2006). Advanced pathology and treatment of disease of poultry with special reference to etiology signs pathology and management (1.). International book diartrubuting co. (publishing division).

prasad, C D N Singh, S P Verma, and S D Singh. Advanced Pathology and Treatment of Disease of Poultry with Special Reference to Etiology Signs Pathology and Management. 1. International book diartrubuting co. (publishing division), 2006.

prasad, et al. Advanced Pathology and Treatment of Disease of Poultry with Special Reference to Etiology Signs Pathology and Management. 1. International book diartrubuting co. (publishing division), 2006.