Sukumara Pillai G & Chandrasekharan K. (1980). Studies On The Incidence , Pathogenicity and Control Of gastro- Intestinal Nematodes In Crossbred calves in Kerala With Special Reference To strongyloidosis. Department of Parasitology, College of Veterinary and Animal Sciences.

Sukumara Pillai G and Chandrasekharan K. Studies On The Incidence , Pathogenicity and Control Of Gastro- Intestinal Nematodes In Crossbred Calves in Kerala With Special Reference To Strongyloidosis. Mannuthy: Department of Parasitology, College of Veterinary and Animal Sciences, 1980.

Sukumara Pillai G and Chandrasekharan K. Studies On The Incidence , Pathogenicity and Control Of Gastro- Intestinal Nematodes In Crossbred Calves in Kerala With Special Reference To Strongyloidosis. Department of Parasitology, College of Veterinary and Animal Sciences, 1980.