C. EcheonwuB.

Immune response and protection of free range chickens vaccinated orally with feeding of newcastle disease vaccine-coated cassava granules

J. Ndako, A. Ngene, N. EcheonwuG.O., 2008 .

Studies On Potency of Newcastle Disease and Infection Bursal Disease Vaccines In Exotic Birds In Jos,Plateau State, Nigeria

A. Chukwuedo, A. Ujah, C. EcheonwuB., 2015 .